Sealing block arrangements for enclosures

A sealing block kit for use with an enclosure including a base and a cover that cooperate to define a sealing block mount disposed at a corner of the housing, the sealing block mount including a first receptacle defined in the base and a second receptacle defined in the cover, the second receptacle opposing the first receptacle, the sealing block mount also defining a first cable port and a second cable port, the sealing block kit comprising:

• a plurality of first sealing blocks, each first sealing block being configured to mount within any of the first and second receptacles, each first sealing block including pass-through sides that align along a corresponding sealed cable routing path, each first sealing block also including sealing sides that extend between the pass-through sides, each first sealing block being configured to mount within the first receptacle so that the pass-through sides of the sealing block arrangement align with the first cable port and the sealing sides align with the second cable port, and each first sealing block being configured to mount within the second receptacle so that the pass-through sides of the sealing block arrangement align with the second cable port and the sealing sides align with the first cable port;
• and
• a plurality of second sealing blocks, each second sealing block being configured to mount within any of the first and second receptacles, each second sealing block including pass-through sides that align along a corresponding sealed cable routing path, each second sealing block also including sealing sides that extend between the pass-through sides, each second sealing block being configured to mount within the first receptacle so that the pass-through sides of the sealing block arrangement align with the second cable port and the sealing sides align with the first cable port, and each second sealing block being configured to mount within the second receptacle so that the pass-through sides of the sealing block arrangement align with the first cable port and the sealing sides align with the second cable port.

A sealing unit comprising:

• a first volume of sealant defining a cable sealing interface surface;
• a first sealant containment wall positioned at a first outer side of the first volume of sealant, the first sealant containment wall including a first plurality of containment elements;
• a second sealant containment wall positioned at a second outer side of the first volume of sealant, the second outer side being disposed opposite the first outer side, the second sealant containment wall including a second plurality of containment elements;
• the first and second pluralities of containment elements cooperating to provide containment of the first volume of sealant therebetween, the containment elements of the first and second pluralities being configured to independently slide parallel to each other to allow passage of a cable through the first and second sealant containment walls;
• and
• a first spring arrangement for biasing the containment elements of the first and second pluralities towards the cable sealing interface surface, the first spring arrangement including a first spring element.