#1 Do self grounding switches have a ground screw?.....And is it marked self ground on the device itself?
#2 When installing a luminaire on metal box that is apart of the groundind system( no grouund in the pipe) is it Ok just to put the ground from the fixture on to the fixture strap or is it better to take the fixture ground to the box?
#2 When installing a luminaire on metal box that is apart of the groundind system( no grouund in the pipe) is it Ok just to put the ground from the fixture on to the fixture strap or is it better to take the fixture ground to the box?