Step 8: Labeling and Documentation for Lighting Contactor Wiring Diagrams. Label the contactor and its associated circuits correctly for future reference. Create documentation that contains a wiring diagram and a list of the devices that are connected. This documentation will be extremely useful for future troubleshooting and maintenance.. mechanically-held contactor, 2-wire control off-on off-auto selector switch hand-off-auto on-off-auto selector switch control voltage control voltage (right aux.) (left aux.) (left aux.) electronic module 1 p n 3 3 n 3 3 g on r 2 fuse p3 a2 c c on off (left aux.) (right aux.) p n c a2 2 c c 2 off on table d: optional wiring and pilot devices.
Connect the incoming power lines to the appropriate terminals on the lighting contactor according to the wiring diagram. Typically, there will be terminals labeled L1, L2, and L3 for the three phases of electrical power. Connect the outgoing power lines from the lighting contactor to the light fixtures, again following the wiring diagram.. A contactor wiring diagram is a graphical representation of how contactors and other electrical components are interconnected in a circuit. It provides a clear overview of the electrical connections, allowing electricians and technicians to understand and troubleshoot the electrical system more effectively.