Generator backfeeding and neutral

[seagull369]

I know backfeeding isn't recommended (at least without using some sort of an interlock device) but I still have a quick question about it and the associated neutral lead. That is if I don't get flamed 1st

I know when you're backfeeding, it's imperative that the main circuit breakers be shut off 1st. I notice, though, those breakers only disconnect the 2 incoming "hot" leads from the house wiring, NOT the incoming neutral one. If a generator is backfeed through the house's wiring, the generator's neutral will therefore be directly connected to the incoming neutral line as well, which (I assume) goes back out to the utility pole.

My question is, does this neutral connection pose any hazard to utility workers out there or even to the generator itself ? Might it be prudent to disconnect to the incoming neutral wire as well just to be safe?

 

[rlitman]

The neutral should still be bonded to ground at the panel, and again at the pole.
In a floating generator, the two pole transfer switch does not switch the neutral either.

 

[CNGsaves]

Also, don't jerry rig your generator backfeed with just "instructions" to turn off main breaker when genset is backfeeding. Instead you should insure that it's IMPOSSIBLE for PoCo backfeeding to occur with either:
a) automated transfer switch
b) interlock breaker (forces main breaker OFF when generator breaker is ON)

SAFETY first . . . no short-cuts !!

 

[seagull369]

Thanks for the quick replies, guys.

Just to confirm, there's no need to isolate the incoming neutral lead then?