Patent ID: 7503778

Claim:
A system comprising: a lighting track comprising first, second and third pairs of buss bars; wherein the first, second and third pairs of buss bars are electrically isolated from one another; and wherein the lighting track further comprises: an I-beam protrusion defining first and second channels; and first and second insulated liners extending within the first and second channels, respectively, of the I-beam protrusion; wherein each of the first and second insulated liners comprises first, second and third channels; wherein one buss bar in the first pair of buss bars extends in the first channel of the first insulated liner and the other buss bar in the first pair of buss bars extends in the third channel of the first insulated liner; wherein one buss bar in the second pair of buss bars extends in the first channel of the second insulated liner and the other buss bar in the second pair of buss bars extends in the third channel of the second insulated liner; and wherein one buss bar in the third pair of buss bars extends in the second channel of the first insulated liner and the other buss bar in the third pair of buss bars extends in the second channel of the second insulated liner.