In this situation, it's generally better to separate out your critical 120V loads and put their breakers into a sub-panel fed via a single pole feeder breaker in the main panel, then make your interlock tied to the Main and a single pole feeder for that sub-panel. For you to do this, your interlock must also involve the MAIN 2 pole breaker, because it CANNOT be energized (closed) when you are running the generator, otherwise the generator will back-feed the utility lines and potentially KILL A LINE WORKER TRYING TO FIX IT!!! If your Main is not in the same panel as the rest of the breakers, this becomes extra complex. Then there are legal implications as well. So your interlocking must provide for ALL 2 pole breakers for 240V loads to be put in the Off position before your generator can be connected. Although the voltage will be dropped by the resistance, it is still "hot" and may damage other devices or risk a fire. With a 240V load that is connected to BOTH lines, if that load, let's say a water heater with a thermostat, is connected when only one line is energized, the 120V from the generator will back feed THROUGH the heater element and energize the OTHER side of the bus. So you have NO 240V loads on your panel? If you do, the "interlocking" can become very very complex. Suggesting the burning scrap wire to remove the insulation will result in a ban. Do not post encouraging or mocking suicide, mental illness, or drug use.Ħ. No illegal, unethical, or disturbing subject matter. Example: Blogs, articles, news sites, YouTube channels, items for sale, ect.ĥ. No incorrect, unsafe, or hazardous informationīlatant incorrect information or hazardous advice will result with a ban Adhere to the Reddiquette.ĭO NOT post any personal information of any kind. Civil disagreements can happen, but insults should not. No personal attacks on anyone at any timeīe polite and respectful in your exchanges. After a period of inactivity, this subreddit is under construction and will be available to the public shortly.
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