Our 23 year old hot tub finally gave out so we are having a new one delivered but were told it needed a 60 amp breaker. When checking the panel I saw that the old tub used a 50 amp breaker. How do I determine if the wiring is safe to use with a 60 amp breaker? The current wire used is very big but I want to be sure.
The length needed for the run is 100'; 75' from the breaker box to a disconnect on the deck and then another 25' from the disconnect box/switch to the tub. The current wire is marked "Essex 8-SG non metallic sheathed cable Type NM-B 600 volt E-10816-K (UL)".