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UPS on multi-wire branch circuit

The UPS has no way of knowing if it's on a MWBC or not. Once you get down to a 120V feed, it looks the same from the receptacle. Therefore, the UPS can't see anything to flip out about. …
Ecnerwal's user avatar
  • 226k
2 votes

Home UPS: grounding, isolating, connecting to subpanel

This is virtually certain to be more trouble and expense .vs. just buying an off-the-shelf UPS of the proper size. …
Ecnerwal's user avatar
  • 226k
1 vote

Spark/Arc observing while connecting battery to charge controller

By the way, most UPSes are terrible .vs. a "real" inverter, IME - since you appear to be attempting to use a UPS as an inverter. …
Ecnerwal's user avatar
  • 226k