Lighting connector devices and uses thereof

A method of electrically and mechanically connecting a length of lighting apparatus to a power source, the lighting apparatus having at least one conductive bus, using a connector having:

• an upper housing having one or more interlocking grooves, a lower housing having one or more interlocking tongue portions, connector pins embedded in the upper housing, one or more openings and/or slots formed in the lower housing, a power supply plug, and a flexible connector electrically connecting an inner side of the lower housing with an inner side of the power supply plug, the method comprising:
• coupling an end portion of a lighting apparatus into at least one of the one or more openings and/or slots, and
• pressing the upper housing and the lower housing so as to couple corresponding ones of the interlocking grooves of the upper housing with interlocking tongue portions of the lower housing, so as to penetrate the connector pins into the length of lighting apparatus so as to contact at least one conductive bus of the lighting apparatus.