The shortest and fastest way is to simply match your transfer switch to your generator tap box, assuming you have one already installed. Our new generator is 7500 watts continuous, 9350 peak. Backup generators supply power to a manual transfer switch, which disconnects the house from the main service wires and routes power from the generator through selected household circuits. The generator experts at Electric Generators Direct have written a comprehensive Standby Generator System buyer's guide to help homeowners select a standby generator and automatic transfer switch for their homes. Some may have a common neutral, that is Though not all transfer switches work in the same way. As we 220 (Branch Circuit, Feeder and Service Calculations). The short answer is that the switch must be rated at a wattage equal to or greater than your generator’s running (a.k.a rated or continuous) wattage. During a sudden power outage, you probably don’t feel like running multiple extension cords from your appliances to the portable generator outside. No open windows. Estimated Time: Depends on the type and size of the generator and transfer switch and the available access to the project area. Some of the good quality kits are not available in local stores. Indeed, a transfer switch like the Pro/Tran 2 or the EmerGen Switch offers the best, safest solution for connecting a generator to the house. Unless he has a 48KVA generator feeding his 200A transfer switch, the protection on the generator circuit is likely less than 200A, so the generator feed into the ATS doesn't need to be sized to carry 200A. No cords running through the house. Precaution : 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. Generally speaking, here are the steps to connect a manual transfer switch and switch to generator power during a blackout: If you are still unsure which manual transfer switch is the best for your generator and home, you can always give the experts a call to get the advice you need to complete your project. Will I still be able to pull in 12,500 watts? Portable generators that supply a few essential devices with power are a cost effective option to keep the power flowing to refrigerators, well pumps and furnaces. Depending on the size of your commercial property and portable generator, you may need a larger or smaller manual transfer switch. I will suggest you get a complete kit from online merchants. Typical diesel generator line currents versus kW ratings can be found in UL 1008. No matter what type of generator or switch you have, we highly recommend consulting the owner's manuals of both for detailed instructions and safety guidelines before using. When reviewing the tungsten load take note that since the load does not exceed 30% of the total load, select a three-pole transfer switch rated at least 600 amperes. Without knowing all of the details about this project, it would be interesting to note that the size of the transfer switch should be based upon the maximum capacity of the generator. The appropriate wire size depends on the voltage, the current, the circuit breaker at the generator and the length of the wire. There are several key items to consider and one of those is how to bring power from the generator into the home. Examples, assuming your generator has a 240 volt output: It is essential to properly size the home generator, the. Dave’s Reply: A transfer switch is a device that “switches” an electric load between two sources. Start the generator and let it warm up outside. So, if your generator produces 6,000 running watts, your transfer switch should be, at minimum, rated for 6,000 watts. 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