WCoaxial power connector
WBi-pin lamp base
WElectrical connector
WBrush (electric)
WChaoJi
WCoaxial power connector
WCommutator (electric)
WDevice for Connection of Luminaires
WEdison screw
WElectric wire ferrule
WFASTON terminal
WIEC 62196
WSlip ring
WTwist-on wire connector
WType 2 connector