First, I'll say that I agree with William's discussion. Let me add
another way of thinking about this:
Assume that, instead on two generators, your system is one backup
generator and one utility company serving a commercial building. If the
disconnect switch is your service connection, there
I've gotten into discussions like this before with EEs. They are not
experts at what we do, and can get confused, and go down strange rabbit
holes like the rest of us. I agree with you that not switching the
Neutrals is the way to go. Its how we've always done it in most
scenarios. It only
Hi, Mechanix~
My off grid project gig has redundant 120y208 generators that need a 200a
"break before make" manual transfer switch so the clients can choose
machine A or machine B. The switch has a lockable center-off but I think
the generators aren't set up for "lock out tag out". The machines &
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