You can use either two switch boxes joined together or one four- inch-square box intended for two devices. ... If the box is metal and there is a ground wire connecting the green terminal screw of the receptacle to the box, install three- slot grounding receptacles instead of ... Then connect all the wires to the receptacles (as shown in the diagram) and connect the grounding to the groundnut in the box.
|Title||:||The Lighting Book|
|Publisher||:||Crown Pub - 1985|