Skip to main content

New answers tagged

1 vote
Accepted

Portable battery power stations for critical loads without backfeeding the grid

These cheap portable power stations are in a different class than grid-forming battery inverters such as the Tesla PowerWall. And these are different from generators and UPS. As you know, a ...
Harper - Reinstate Monica's user avatar
1 vote

Portable battery power stations for critical loads without backfeeding the grid

Every proper backup power installation must include a transfer switch with a lockout device that will prevent backfeed via the breaker panel's connection to the grid. So this question is an important ...
Steve I's user avatar
  • 328
2 votes

Portable battery power stations for critical loads without backfeeding the grid

Most inverters do not like being backfed themselves. Which mean that connecting the output of the powerstation to the grid is more likely going to either damage the power station or trigger an ...
ratchet freak's user avatar
1 vote

Generator breaker trips when hooked up for backfeed

Original answer deleted - it was based on my erroneous assumption that this was all 14-50. It turns out the house connection (inlet and one of the cord) is SS2-50 while the generator is 14-50. Not ...
manassehkatz-Moving 2 Codidact's user avatar
16 votes
Accepted

Generator breaker trips when hooked up for backfeed

That the breaker on the generator trips as soon as you turn it on, while the 50 amp backfeed breaker is off, means that you have a short in the wires leading from the generator to the backfeed breaker....
Triplefault's user avatar
1 vote

When backfeeding an electrical panel, does a circuit breaker limit power coming in?

Presuming the generators each have output breakers, using a 50A breaker for the inlet (with appropriate sized wires, of course) and not changing it should be fine. If you overload the 30A generator, ...
Ecnerwal's user avatar
  • 226k
1 vote

When backfeeding an electrical panel, does a circuit breaker limit power coming in?

Assuming you have a 50A inlet you can leave the 50A breaker in place. Using 60 Hz Alternating Current the electrons change direction 120 times a second, so a circuit breaker normally sees electrons ...
NoSparksPlease's user avatar

Top 50 recent answers are included