topend
Member
- Location
- Parma, Ohio
RECAP - the 4 ckt fusebox is now a junction box. It contains 4 colored conductors that were connected to fuses and 4 white conductors that were connected to a neutral bar (all K&T) and 2 - 12/3 RX from new loadcenter 10' away. When one particular K&T neutral in this junction box is connected to the neutral from the new MWBC 12/3 RX, dead short. Yesterday I tried: 1) moving the shorting circuit breaker up a space (different phase), 2) - turning other three breakers off and disconnect 3 respective neutrals, 3) - rung out neutrals to determine which one belonged to respective hots. paired correct neutrals to MWBC shared neutral in 12/3 RX, 4) - disconnecting furnace, in case power surge (lightning) might have damaged something internal to cause short circuit situation, 5) - Turn all light switches off to remove from lighting circuits. Result is still the same. One circuit that was fine for a week, and now has a dead short. Customer and contractor understandably frustrated.
Rich
Rich