If your house is drawing nearly up to 80 amps, you should go for a 1 gauge wire. The best wire size for an 80 amp service is a 2 gauge wire.

That is how you choose the thicker wire for an 80 amp service. You should know that the low gauge numbers are thicker than the high gauge numbers.įor example, a 2-gauge wire will be twice thicker than a 4 or 6-gauge wire. The gauge number represents the thickness and diameter of the wire.Ī lot of people get confused when they see the gauge number. The gauge size determines a wire’s thickness and diameter. You need quite a thick wire for an 80-amp service. What size of wire is needed for an 80 amp service? If you have a large house with many electrical appliances, use an 80 amp circuit breaker to power devices, like the electrical water heaters, furnaces, kitchen appliances, etc. If your house is small and you have only a few lights, fans, and electrical devices, then an 80-amp electrical service will be enough for your house.

It can also power an electric range and dryer, along with the general lighting of the house. These appliances can also be powered by 20 amps, depending on the usage.Īn 80 amp can also power large electric water heaters and furnaces.īut, an electrical service carrying 80 amps will also provide enough power and heat to a small home with very few electrical devices. Generally, an 80 amp circuit breaker is used to power only heavy-duty electrical appliances, like welding machines, sump pumps, etc. What size of wire should I use for 100 amps?.What wire size should I use for a 100 amp sub-panel?.A table of different wire sizes for 80 amps.How do you calculate the right breaker and wire size?.What size of wire do you need for an 80 amp sub-panel?.What size of ground wire do you need for an 80 amp service?.What size of wire do you need for an 80 amp breaker?.What size of wire is needed for an 80 amp service?.

Wire size for 100 amp 240v