Electrical Panel Interlock Switch
Thankfully there s a solution a way to connect your generator to your panel without a transfer switch.
Electrical panel interlock switch. The rocker arm controls the 30 amp breaker below the 100 amp breaker by keeping it shut off while the main 100 amp is on and vice versa. I have a murray 100 amp main breaker box and the interlock switch fit perfectly over the 100 amp breaker. The interlock kit allows only one of these feed systems to be operational at the same time which prevents both sources from being connected together. National electrical code requires a system in place that prevents an emergency generator from feeding back into the utility line.
I did have to grind the panel cover a small amount to get around the rocker arm it s a tight fit. Developed and manufactured by a second generation licensed electrician with over 25 years of experience our generator interlock kit product line offers a wide assortment of clips both listed and non listed and are available. A generator interlock will. The interlock kit is a less expensive alternative to transfer switches and generator sub panels.
Only allow the the generator breaker to be switched on if the main breaker is off. Each kit functions like a manual transfer switch allowing you to safely and easily connect your portable generator to your home s electrical panel. Not allow the main breaker to be turned on unless the generator breaker is off.