Features0.06 in nominal wall thicknessSolid copper busbar cross section equivalent to 12 AWG wire, encased in rigid extruded PVC insulatorRigid extruded polyvinyl insulatorExclusive independent grounding bus conductor, maintains an independent positive ground 12 AWG path between lampholder, trac channel and building's ground systemCross section equivalent of 12 AWG wire neutral conductorVisual polarity groove indicates proper electrical installation of lampholder adapterAll halo-2 Power-Tracâ„¢ is shipped from the factory with a "LEFT" dead end installedThe L941 live end connector is designed to attach to the right hand side of the trackLocate small polarity indicator on the connector and align with polarity groove on trackTrack system is recommended for ceiling mount only, for alternate mounting methods consult factory8 ft L nominalDesigned for concise control of each circuit