The sub panel will be located one floor below the 200 amp main panel and need about 14. Ad shop brands the pros trust at job lot quantities. Web if your local electrical inspectors permit the use of nec table 310.15(b)(6) for residential sub panel feeders, then #2 copper is acceptable for 125a. That’s because it has a 310a ampacity. Web the minimum permitted conductor would be #1/0 al with a 125 ocpd. Wire ampacity = 100% × 100a / 80% = 125 amps. Nec code for wire size: If the sub panel would be 0 feet away (very close) we would need a minimum 125a wire. 125 amp sub panel 2 awg copper conductors are sufficient, exactly as bob has mentioned. The right size of feeder wire for the 60a subpanel is 6 gauge.
You need to use the 75° column since no ane makes a 90° breaker just yet. If the sub panel would be 0 feet away (very close) we would need a minimum 125a wire. Wire size for 100 amp sub. If the calculated load comes to more than 115 amps, but less than. I have a 200amp service that i put up and im putting a. The right size of feeder wire for the 60a subpanel is 6 gauge. 125 amp sub panel 2 awg copper conductors are sufficient, exactly as bob has mentioned. Web the 125 amp wire size necessary to carry 100 amps to a 125 amp subpanel at 75 degrees celcius 200 feet away from the main panel is a 1 awg copper wire or a. At 90 amps of load your voltage drop would still be under the 3% recommended threshold. The sub panel will be located one floor below the 200 amp main panel and need about 14. Web if your local electrical inspectors permit the use of nec table 310.15(b)(6) for residential sub panel feeders, then #2 copper is acceptable for 125a.