Still, if you settle for the minimum 6 AWG wire for 60 amp breaker, you will still essentially conform to NEC guidelines. More importantly, this choice adheres to the safety recommendation that you shouldn’t let the breaker load exceed 80% of the service’s total ampacity. Many property owners thank their past selves for making the decision to oversize, since they won’t have to take the wire out and install a new one. Sure, the cables may become more costly, heavier, and less flexible, but do those downsides compare to the risks of electric fires and your appliances and gadgets failing? After all, is there any serious harm in picking a bigger wire size for 60 amp breaker, as long as it’s still compatible with that ampacity? Using a 4 AWG wire bumps your ampacity to up to 85A at 75☌ or 65A if we’re considering wire size aluminum.Ĥ AWG is the wire size for 60 amp 220V that most pros will recommend. If that’s the case, you may also want to consider using fatter PVC conduits. Why a Larger Size is Arguably the More Suitable Wire Size for 60 Amp Sub Panelįirst and foremost, I don’t recommend sizing at the minimum 6-gauge, especially if you’re planning to expand in the future.
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