4 Wire Diagram. Injunction of 2 wires is usually indicated by black dot on the junction of 2 lines. But it doesnt mean connection between the wires.
It shows how the electrical wires are interconnected and will also show where fixtures and components might be attached to the system. Light pendants are mostly used in domestic. 4 wire 240 volt wiring diagram.
There will be main lines that are represented by l1 l2 l3 and so on.
This 4 way switch diagram 2 shows the power source starting at the fixture. 3 way and 4 way switch wiring diagram. March 30 2009 at 223 am. March 29 2009 at 253 am.