Generator Manual Transfer Switch Installation 4 Prong Generator Plug Wiring Diagram

Any existing electrical wiring within the immediate area that may interfere with the installation of the generator transfer switch may need to be relocated if necessary.

Generator manual transfer switch installation 4 prong generator plug wiring diagram.

Repeat this process for all 10 circuits ensuring the red and black wires from the transfer switch are a matched pair. Manual transfer switches require an operator to change the power source while automatic switches detect the loss of power start the back up generator and switch over to the backup power feed. Heath first showed a manual transfer switch which designates specific circuits to be powered in the event of an outage and has to be manually switched from utility power to generator power. Click on picture for larger view.

Because the amount of electricity created by a backup generator is not adequate to power all of the electrical circuits in your house you ll need to designate a few selected circuits to get backup. He also showed an interconnect switch which wires to the main breaker panel and allows the entire panel to be energized by the generator. Installing a generator and transfer switch must be well thought out and performed with a permit with all of the work being inspected. Verify the method of wiring with your transfer switch and generator before installation.

Many systems do not switch the neutral wire and tie the three neutral wires together.