To reiterate: 12-3 on the homeruns, downstream of GFCI's must be 12-2 or the GFCI's will perpetually nuisance trip...

The wirenut on the shared neutrals must be very well installed or the ol' "240V series" may wipe out some appliances.


-Virgil
Residential/Commercial Inspector
5 Star Inspections
Member IAEI