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What about two Yamaha EF2000ist generators running in parallel using the Yamaha Twin Tech Parallel Terminal kit? Which generator should the bonding plug go into?

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I appreciate that. Thanks for all your great information and I look forward to meeting you some day.

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Male 5-15 Edison plugs. That is very true, however, I have blank female receptacles for the unused (unplugged) live plugs for protection. Still a code violation I'm sure. Throw me in jail and throw away the key.

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Feb 2, 2023·edited Feb 2, 2023Author

No, I’m not calling the code police and I didn’t say it won’t work. 😁

However, I am obligated to point out any code violations that I see in my blogs so that each reader can make their own informed decision. As long as you understand the dangers involved you should be able to keep yourself safe.

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I have found that the parallel kit is not absolutely necessary. I made a combiner box that connects all hot wires together, and all neutral and ground wires together. The other end of these wires are to a 50 amp receptacle where my RV plugs in to. This accomplishes two things: 1. It parallels 2 or three or however many gen sets, of the same make and model, you want to parallel to a limit of wire capacity. and 2. It provides the neutral ground bond.

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Are you using banana plugs with the safety shield? Or are you using male 5-15 Edison plugs for the generator outlets? If those are male Edison plugs feeding your combiner box then it’s possible to create a shock hazard if the male plug is pulled out of one generator while the other generator is plugged in and running. That’s why that sort of parallel connection is a code violation. Inspectors don’t like this sort of thing, but I have NEVER seen an inspector at a campground…

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