# US 8,788,221 B2 · Cable pull calculator

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- Number: US 8,788,221 B2
- Document ID: US8788221B2
- Status: Granted
- Kind: B2
- Application number: 12/759,752
- Filed: 2010-04-14
- Published: 2011-10-20
- Granted: 2014-07-22
- Earliest claimed: 2010-04-14
- Assignees: Southwire Company
- Applicants: Allen Hooper
- Inventors: Allen Hooper
- Web page: https://patentgrep.com/patent/US8788221B2

## CPC

- G01B 21/02: for measuring length, width, or thickness (G01B21/10 takes precedence)
- G01B 21/10: for measuring diameters
- G01L 1/00: Measuring force or stress, in general (measuring force due to impact G01L5/00)
- H02G 3/00: Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles (installations of bus-bars H02G5/00; overhead installations H02G7/00; installations in or on the ground H02G9/00)
- G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01L: MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (weighing G01G)
- H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES

## Abstract

A cable pull calculator may be provided. First, wire number data, a wire type, and size data may be received. Next, a minimum conduit size for the conduit maybe calculated based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit. Then, the calculated minimum conduit size may be displayed. Next, a first desired conduit size, a conduit type, and pull information indicating a course of the conduit may be received. Then, for each of the plurality of segments, a tension value and a sidewall pressure value may be calculated based at least on the conduit type, the first desired conduit size, the received wire type, and the received size data. The calculated tension value and the calculated sidewall pressure value may then be displayed.

## Claims

### Claim 1

A method for providing cable pull calculations, the method comprising:
receiving wire number data indicating a number of wires to be placed in a conduit wherein receiving the wire number data indicating the number of wires to be placed in the conduit comprises receiving the wire number data indicating the number of wires to be placed in the conduit wherein the wires comprise at least two wires wherein the at least two wires comprise a phase wire and a neutral wire;
receiving a wire type corresponding to each of the wires to be placed in the conduit;
receiving size data corresponding to each of the wires to be placed in the conduit;
calculating, by a computer, an ampacity of the wires to be placed in the conduit;
displaying the ampacity;
calculating a minimum conduit size for the conduit based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit;
displaying the calculated minimum conduit size;
receiving a first desired conduit size;
receiving a conduit type;
receiving pull information indicating a course of the conduit, the course comprising a plurality of segments, each of the plurality of segments comprising at least one of the following: a straight section and a bend section;
calculating, for each of the plurality of segments, a tension value and a sidewall pressure value based at least on the conduit type, the first desired conduit size, the received wire type, the received size data, and the received pull information; and
displaying, for each of the plurality of segments, the calculated tension value and the calculated sidewall pressure value, wherein for each of the plurality of segments,
the displayed calculated tension value indicates when a maximum tension for the wires has been exceeded, and
the displayed calculated sidewall pressure value indicates when a maximum sidewall pressure for the wires has been exceeded.

### Claim 2 (depends on 1)

The method of claim 1, further comprising:
receiving an updated wire type corresponding to each of the wires to be placed in the conduit;
calculating updated size data corresponding to each of the wires to be placed in the conduit, the updated size data being configured to cause the wires to deliver approximately the calculated ampacity;
recalculating the minimum conduit size for the conduit based upon the wire number data indicating the number of wires to be placed in the conduit and the calculated updated size data corresponding to each of the wires to be placed in the conduit;
displaying the recalculated minimum conduit size;
receiving a second desired conduit size;
calculating, for each of the plurality of segments, an updated tension value and an updated sidewall pressure value based at least on the conduit type, the second desired conduit size, the received updated wire type, and the calculated updated size data; and
displaying, for each of the plurality of segments, the calculated updated tension value and the calculated updated sidewall pressure value, wherein for each of the plurality of segments,
the calculated updated tension value indicates when the maximum tension for the wires has been exceeded, and
the calculated updated sidewall pressure value indicates when the maximum sidewall pressure for the wires has been exceeded.

### Claim 3 (depends on 1)

The method of claim 1, further comprising displaying, for each of the plurality of segments, an alternative tension value and an alternative sidewall pressure value for an alternative wire type.

### Claim 4 (depends on 3)

The method of claim 3, further comprising indicating that the alternative wire type is not recommended when one of the alternative tension value and the alternative sidewall pressure value for any of the plurality of segments exceeds a predetermined value.

### Claim 5 (depends on 1)

The method of claim 1, wherein the calculations are based on the national electric code (NEC).

### Claim 6

A non-transitory computer-readable medium that stores a set of instructions which when executed perform a method for providing cable pull calculations, the method executed by the set of instructions comprising:
receiving wire number data indicating a number of wires to be placed in a conduit wherein receiving the wire number data indicating the number of wires to be placed in the conduit comprises receiving the wire number data indicating the number of wires to be placed in the conduit wherein the wires comprise at least two wires wherein the at least two wires comprise a phase wire and a neutral wire;
receiving a wire type corresponding to each of the wires to be placed in the conduit;
receiving size data corresponding to each of the wires to be placed in the conduit;
calculating a minimum conduit size for the conduit based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit;
displaying the calculated minimum conduit size;
receiving a first desired conduit size;
receiving a conduit type;
receiving pull information indicating a course of the conduit, the course comprising a plurality of segments, each of the plurality of segments comprising at least one of the following: a straight section and a bend section;
calculating, for each of the plurality of segments, a tension value and a sidewall pressure value based at least on the conduit type, the first desired conduit size, the received wire type, and the received size data; and
displaying, for each of the plurality of segments, the calculated tension value and the calculated sidewall pressure value, wherein for each of the plurality of segments,
the displayed calculated tension value indicates when a maximum tension for the wires has been exceeded, and
the displayed calculated sidewall pressure value indicates when a maximum sidewall pressure for the wires has been exceeded.

### Claim 7 (depends on 6)

The non-transitory computer-readable medium of claim 6, further comprising:
calculating an ampacity of the wires to be placed in the conduit; and
displaying the ampacity.

### Claim 8 (depends on 7)

The non-transitory computer-readable medium of claim 7, further comprising:
receiving an updated wire type corresponding to each of the wires to be placed in the conduit;
calculating updated size data corresponding to each of the wires to be placed in the conduit, the updated size data being configured to cause the wires to deliver approximately the calculated ampacity;
recalculating the minimum conduit size for the conduit based upon the wire number data indicating the number of wires to be placed in the conduit and the calculated updated size data corresponding to each of the wires to be placed in the conduit;
displaying the recalculated minimum conduit size;
receiving a second desired conduit size;
calculating, for each of the plurality of segments, an updated tension value and an updated sidewall pressure value based at least on the conduit type, the second desired conduit size, the received updated wire type, and the calculated updated size data; and
displaying, for each of the plurality of segments, the calculated updated tension value and the calculated updated sidewall pressure value, wherein for each of the plurality of segments,
the calculated updated tension value indicates when the maximum tension for the wires has been exceeded, and
the calculated updated sidewall pressure value indicates when the maximum sidewall pressure for the wires has been exceeded.

### Claim 9 (depends on 6)

The non-transitory computer-readable medium of claim 6, further comprising displaying, for each of the plurality of segments, an alternative tension value and an alternative sidewall pressure value for an alternative wire type.

### Claim 10 (depends on 9)

The non-transitory computer-readable medium of claim 9, further comprising indicating that the alternative wire type is not recommended when one of the alternative tension value and the alternative sidewall pressure value for any of the plurality of segments exceeds a predetermined value.

### Claim 11 (depends on 6)

The non-transitory computer-readable medium of claim 6, wherein the calculations are based on the national electric code (NEC).

### Claim 12

A system for providing cable pull calculations, the system comprising:
a memory storage; and
a processing unit coupled to the memory storage, wherein the processing unit is operative to:
receive wire number data indicating a number of wires to be placed in a conduit wherein the processing unit being operative to receive the wire number data indicating the number of wires to be placed in the conduit comprises the processing unit being operative to receive the wire number data indicating the number of wires to be placed in the conduit wherein the wires comprise at least two wires wherein the at least two wires comprise a phase wire and a neutral wire;
receive a wire type corresponding to each of the wires to be placed in the conduit;
receive size data corresponding to each of the wires to be placed in the conduit;
calculate a minimum conduit size for the conduit based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit;
display the calculated minimum conduit size;
receive a first desired conduit size;
receive a conduit type;
receive pull information indicating a course of the conduit, the course comprising a plurality of segments, each of the plurality of segments comprising at least one of the following: a straight section and a bend section;
calculate, for each of the plurality of segments, a tension value and a sidewall pressure value based at least on the conduit type, the first desired conduit size, the received wire type, and the received size data; and
display, for each of the plurality of segments, the calculated tension value and the calculated sidewall pressure value, wherein for each of the plurality of segments,
the displayed calculated tension value indicates when a maximum tension for the wires has been exceeded, and
the displayed calculated sidewall pressure value indicates when a maximum sidewall pressure for the wires has been exceeded.

### Claim 13 (depends on 12)

The system of claim 12, wherein the processing unit is further operative to:
calculate an ampacity of the wires to be placed in the conduit; and
display the ampacity.

### Claim 14 (depends on 13)

The system of claim 13, wherein the processing unit is further operative to:
receive an updated wire type corresponding to each of the wires to be placed in the conduit;
calculate updated size data corresponding to each of the wires to be placed in the conduit, the updated size data being configured to cause the wires to deliver approximately the calculated ampacity;
recalculate the minimum conduit size for the conduit based upon the wire number data indicating the number of wires to be placed in the conduit and the calculated updated size data corresponding to each of the wires to be placed in the conduit;
display the recalculated minimum conduit size;
receive a second desired conduit size;
calculate, for each of the plurality of segments, an updated tension value and an updated sidewall pressure value based at least on the conduit type, the second desired conduit size, the received updated wire type, and the calculated updated size data; and
display, for each of the plurality of segments, the calculated updated tension value and the calculated updated sidewall pressure value, wherein for each of the plurality of segments,
the calculated updated tension value indicates when the maximum tension for the wires has been exceeded, and
the calculated updated sidewall pressure value indicates when the maximum sidewall pressure for the wires has been exceeded.

### Claim 15 (depends on 13)

The system claim 13, wherein the processing unit is further operative to calculate and display a minimum ground wire size for both copper and aluminum wire based on the calculated ampacity.

### Claim 16 (depends on 12)

The system of claim 12, wherein the processing unit is further operative to display, for each of the plurality of segments, an alternative tension value and an alternative sidewall pressure value for an alternative wire type.

### Claim 17 (depends on 16)

The system claim 16, wherein the processing unit is further operative to indicate that the alternative wire type is not recommended when one of the alternative tension value and the alternative sidewall pressure value for any of the plurality of segments exceeds a predetermined value.

### Claim 18

A method for providing cable pull calculations, the method comprising:
receiving wire number data indicating a number of wires to be placed in a conduit;
receiving a wire type corresponding to each of the wires to be placed in the conduit;
receiving size data corresponding to each of the wires to be placed in the conduit;
calculating, by a computer, an ampacity of the wires to be placed in the conduit;
displaying the ampacity;
calculating a minimum conduit size for the conduit based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit;
displaying the calculated minimum conduit size;
receiving a first desired conduit size;
receiving a conduit type;
receiving pull information indicating a course of the conduit, the course comprising a plurality of segments, each of the plurality of segments comprising at least one of the following: a straight section and a bend section;
calculating, for each of the plurality of segments, a tension value and a sidewall pressure value based at least on the conduit type, the first desired conduit size, the received wire type, the received size data, and the received pull information;
displaying, for each of the plurality of segments, the calculated tension value and the calculated sidewall pressure value, wherein for each of the plurality of segments,
the displayed calculated tension value indicates when a maximum tension for the wires has been exceeded, and
the displayed calculated sidewall pressure value indicates when a maximum sidewall pressure for the wires has been exceeded,
displaying, for each of the plurality of segments, an alternative tension value and an alternative sidewall pressure value for an alternative wire type; and
indicating that the alternative wire type is not recommended when one of the alternative tension value and the alternative sidewall pressure value for any of the plurality of segments exceeds a predetermined value.

### Claim 19 (depends on 18)

The method of claim 18, further comprising:
receiving an updated wire type corresponding to each of the wires to be placed in the conduit;
calculating updated size data corresponding to each of the wires to be placed in the conduit, the updated size data being configured to cause the wires to deliver approximately the calculated ampacity;
recalculating the minimum conduit size for the conduit based upon the wire number data indicating the number of wires to be placed in the conduit and the calculated updated size data corresponding to each of the wires to be placed in the conduit;
displaying the recalculated minimum conduit size;
receiving a second desired conduit size;
calculating, for each of the plurality of segments, an updated tension value and an updated sidewall pressure value based at least on the conduit type, the second desired conduit size, the received updated wire type, and the calculated updated size data; and
displaying, for each of the plurality of segments, the calculated updated tension value and the calculated updated sidewall pressure value, wherein for each of the plurality of segments,
the calculated updated tension value indicates when the maximum tension for the wires has been exceeded, and
the calculated updated sidewall pressure value indicates when the maximum sidewall pressure for the wires has been exceeded.

### Claim 20 (depends on 18)

The method of claim 18, wherein the calculations are based on the national electric code (NEC).

### Claim 21 (depends on 18)

The method of claim 18, wherein receiving the wire number data indicating the number of wires to be placed in the conduit comprises receiving the wire number data indicating the number of wires to be placed in the conduit wherein the wires comprise a phase wire and a neutral wire.

### Claim 22

A non-transitory computer-readable medium that stores a set of instructions which when executed perform a method for providing cable pull calculations, the method executed by the set of instructions comprising:
receiving wire number data indicating a number of wires to be placed in a conduit;
receiving a wire type corresponding to each of the wires to be placed in the conduit;
receiving size data corresponding to each of the wires to be placed in the conduit;
calculating a minimum conduit size for the conduit based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit;
displaying the calculated minimum conduit size;
receiving a first desired conduit size;
receiving a conduit type;
receiving pull information indicating a course of the conduit, the course comprising a plurality of segments, each of the plurality of segments comprising at least one of the following: a straight section and a bend section;
calculating, for each of the plurality of segments, a tension value and a sidewall pressure value based at least on the conduit type, the first desired conduit size, the received wire type, and the received size data;
displaying, for each of the plurality of segments, the calculated tension value and the calculated sidewall pressure value, wherein for each of the plurality of segments,
the displayed calculated tension value indicates when a maximum tension for the wires has been exceeded, and
the displayed calculated sidewall pressure value indicates when a maximum sidewall pressure for the wires has been exceeded;
displaying, for each of the plurality of segments, an alternative tension value and an alternative sidewall pressure value for an alternative wire type; and
indicating that the alternative wire type is not recommended when one of the alternative tension value and the alternative sidewall pressure value for any of the plurality of segments exceeds a predetermined value.

### Claim 23 (depends on 22)

The non-transitory computer-readable medium of claim 22, further comprising:
calculating an ampacity of the wires to be placed in the conduit; and
displaying the ampacity.

### Claim 24 (depends on 23)

The non-transitory computer-readable medium of claim 23, further comprising:
receiving an updated wire type corresponding to each of the wires to be placed in the conduit;
calculating updated size data corresponding to each of the wires to be placed in the conduit, the updated size data being configured to cause the wires to deliver approximately the calculated ampacity;
recalculating the minimum conduit size for the conduit based upon the wire number data indicating the number of wires to be placed in the conduit and the calculated updated size data corresponding to each of the wires to be placed in the conduit;
displaying the recalculated minimum conduit size;
receiving a second desired conduit size;
calculating, for each of the plurality of segments, an updated tension value and an updated sidewall pressure value based at least on the conduit type, the second desired conduit size, the received updated wire type, and the calculated updated size data; and
displaying, for each of the plurality of segments, the calculated updated tension value and the calculated updated sidewall pressure value, wherein for each of the plurality of segments,
the calculated updated tension value indicates when the maximum tension for the wires has been exceeded, and
the calculated updated sidewall pressure value indicates when the maximum sidewall pressure for the wires has been exceeded.

### Claim 25 (depends on 22)

The non-transitory computer-readable medium of claim 22, wherein the calculations are based on the national electric code (NEC).

### Claim 26 (depends on 22)

The non-transitory computer-readable medium of claim 22, wherein receiving the wire number data indicating the number of wires to be placed in the conduit comprises receiving the wire number data indicating the number of wires to be placed in the conduit wherein the wires comprise a phase wire and a neutral wire.

### Claim 27

A system for providing cable pull calculations, the system comprising:
a memory storage; and
a processing unit coupled to the memory storage, wherein the processing unit is operative to:
receive wire number data indicating a number of wires to be placed in a conduit;
receive a wire type corresponding to each of the wires to be placed in the conduit;
receive size data corresponding to each of the wires to be placed in the conduit;
calculate a minimum conduit size for the conduit based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit;
display the calculated minimum conduit size;
receive a first desired conduit size;
receive a conduit type;
receive pull information indicating a course of the conduit, the course comprising a plurality of segments, each of the plurality of segments comprising at least one of the following: a straight section and a bend section;
calculate, for each of the plurality of segments, a tension value and a sidewall pressure value based at least on the conduit type, the first desired conduit size, the received wire type, and the received size data;
display, for each of the plurality of segments, the calculated tension value and the calculated sidewall pressure value, wherein for each of the plurality of segments,
the displayed calculated tension value indicates when a maximum tension for the wires has been exceeded, and
the displayed calculated sidewall pressure value indicates when a maximum sidewall pressure for the wires has been exceeded;
calculate an ampacity of the wires to be placed in the conduit;
display the ampacity; and
calculate and display a minimum ground wire size for both copper and aluminum wire based on the calculated ampacity.

### Claim 28 (depends on 27)

The system of claim 27, wherein the processing unit is further operative to:
receive an updated wire type corresponding to each of the wires to be placed in the conduit;
calculate updated size data corresponding to each of the wires to be placed in the conduit, the updated size data being configured to cause the wires to deliver approximately the calculated ampacity;
recalculate the minimum conduit size for the conduit based upon the wire number data indicating the number of wires to be placed in the conduit and the calculated updated size data corresponding to each of the wires to be placed in the conduit;
display the recalculated minimum conduit size;
receive a second desired conduit size;
calculate, for each of the plurality of segments, an updated tension value and an updated sidewall pressure value based at least on the conduit type, the second desired conduit size, the received updated wire type, and the calculated updated size data; and
display, for each of the plurality of segments, the calculated updated tension value and the calculated updated sidewall pressure value, wherein for each of the plurality of segments,
the calculated updated tension value indicates when the maximum tension for the wires has been exceeded, and
the calculated updated sidewall pressure value indicates when the maximum sidewall pressure for the wires has been exceeded.

### Claim 29 (depends on 27)

The system of claim 27, wherein the processing unit is further operative to display, for each of the plurality of segments, an alternative tension value and an alternative sidewall pressure value for an alternative wire type.

### Claim 30 (depends on 29)

The system claim 29, wherein the processing unit is further operative to indicate that the alternative wire type is not recommended when one of the alternative tension value and the alternative sidewall pressure value for any of the plurality of segments exceeds a predetermined value.

### Claim 31 (depends on 27)

The system claim 27, wherein the processing unit being operative to receive the wire number data indicating the number of wires to be placed in the conduit comprises the processing unit being operative to receive the wire number data indicating the number of wires to be placed in the conduit wherein the wires comprise a phase wire and a neutral wire.

### Claim 32

A system for providing cable pull calculations, the system comprising:
a memory storage; and
a processing unit coupled to the memory storage, wherein the processing unit is operative to:
receive wire number data indicating a number of wires to be placed in a conduit;
receive a wire type corresponding to each of the wires to be placed in the conduit;
receive size data corresponding to each of the wires to be placed in the conduit;
calculate a minimum conduit size for the conduit based upon the received wire number data indicating the number of wires to be placed in the conduit and the received size data corresponding to each of the wires to be placed in the conduit;
display the calculated minimum conduit size;
receive a first desired conduit size;
receive a conduit type;
receive pull information indicating a course of the conduit, the course comprising a plurality of segments, each of the plurality of segments comprising at least one of the following: a straight section and a bend section;
calculate, for each of the plurality of segments, a tension value and a sidewall pressure value based at least on the conduit type, the first desired conduit size, the received wire type, and the received size data; and
display, for each of the plurality of segments, the calculated tension value and the calculated sidewall pressure value, wherein for each of the plurality of segments,
the displayed calculated tension value indicates when a maximum tension for the wires has been exceeded, and
the displayed calculated sidewall pressure value indicates when a maximum sidewall pressure for the wires has been exceeded;
display, for each of the plurality of segments, an alternative tension value and an alternative sidewall pressure value for an alternative wire type; and
indicate that the alternative wire type is not recommended when one of the alternative tension value and the alternative sidewall pressure value for any of the plurality of segments exceeds a predetermined value.

### Claim 33 (depends on 32)

The system of claim 32, wherein the processing unit is further operative to:
calculate an ampacity of the wires to be placed in the conduit; and
display the ampacity.

### Claim 34 (depends on 33)

The system of claim 33, wherein the processing unit is further operative to:
receive an updated wire type corresponding to each of the wires to be placed in the conduit;
calculate updated size data corresponding to each of the wires to be placed in the conduit, the updated size data being configured to cause the wires to deliver approximately the calculated ampacity;
recalculate the minimum conduit size for the conduit based upon the wire number data indicating the number of wires to be placed in the conduit and the calculated updated size data corresponding to each of the wires to be placed in the conduit;
display the recalculated minimum conduit size;
receive a second desired conduit size;
calculate, for each of the plurality of segments, an updated tension value and an updated sidewall pressure value based at least on the conduit type, the second desired conduit size, the received updated wire type, and the calculated updated size data; and
display, for each of the plurality of segments, the calculated updated tension value and the calculated updated sidewall pressure value, wherein for each of the plurality of segments,
the calculated updated tension value indicates when the maximum tension for the wires has been exceeded, and
the calculated updated sidewall pressure value indicates when the maximum sidewall pressure for the wires has been exceeded.

### Claim 35 (depends on 33)

The system claim 33, wherein the processing unit is further operative to calculate and display a minimum ground wire size for both copper and aluminum wire based on the calculated ampacity.

### Claim 36 (depends on 32)

The system claim 32, wherein the processing unit being operative to receive the wire number data indicating the number of wires to be placed in the conduit comprises the processing unit being operative to receive the wire number data indicating the number of wires to be placed in the conduit wherein the wires comprise a phase wire and a neutral wire.

### Claim 37

A method for providing cable pull calculations, the method comprising:
receiving, by a processing unit, a wire type corresponding to a first wire to be placed in a conduit wherein the first wire comprises a phase wire;
receiving, by the processing unit, size data corresponding to the first wire to be placed in the conduit;
receiving, by the processing unit, wire number data indicating a number of the first wire to be placed in the conduit;
calculating, by the processing unit, a minimum conduit size for the conduit based, at least in part, upon the wire number data received indicating the number of the first wire to be placed in the conduit and the size data received corresponding to the first wire to be placed in the conduit;
providing, by the processing unit, the minimum conduit size calculated;
receiving a wire type corresponding to a second wire to be placed in the conduit wherein the second wire comprises a neutral wire;
receiving size data corresponding to the second wire to be placed in the conduit, wherein the size data corresponding to the first wire and the size data corresponding to the second wire are different; and
receiving wire number data indicating a number of the second wire to be placed in the conduit,
wherein calculating the minimum conduit size for the conduit is further based, at least in part, upon the wire number data received indicating the number of the second wire to be placed in the conduit and the size data received corresponding to the second wire to be placed in the conduit.

### Claim 38 (depends on 37)

The method of claim 37, further comprising receiving a conduit type of the conduit, wherein calculating the minimum conduit size for the conduit is further based on the conduit type of the conduit.

### Claim 39 (depends on 37)

The method of claim 37, further comprising receiving a conduit type of the conduit, wherein calculating the minimum conduit size for the conduit is further based on the conduit type of the conduit.

### Claim 40 (depends on 37)

The method of claim 37,
wherein the wire type corresponding to the first wire and the wire type corresponding to the second wire are different.