Switch Diagram Electrical. The white wire becomes the energized switch leg as indicated by using black or red electrical tape. 3 way switch is a multiway switching or interconnection of two or more electrical switches to control an electrical load from more than one location.
The source is at sw1 and 2 wire cable runs from there to the fixtures. The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.
Explanation of wiring diagram 1 switch wiring shows the power source power in starts at the switch box.
The source is at sw1 and 2 wire cable runs from there to the fixtures. 3 way switch diagram 2 above shows the electricity source starting at the fixture. 3 way switch wiring diagram depicting all wires in the ceiling junction box. Jan 24 18 02 09 pm.
