wire size for 200 amps | Solar panel wholesaler

wire size for 200 amps

Best answer


For a 200 amp service,you will need a250 kcmil-gauge copper wire. For a 400 amp service,you will need a 600 kcmil-gauge copper wire. For 600 amp,you will need a 1500 kcmil-gauge wir e.

People also ask


  • What size wire do I need for 200 amp service?

  • The size wire you need for 200 amp service depends on the type of wire you鈥檙e getting. Let鈥檚 look at the difference between a copper wire and an aluminum or copper-clad aluminum wire. Then we鈥檒l get into the factors you should consider when choosing your wiring. Copper wiring is the best in the business.

  • How much does it cost to install a 200 amp service?

  • An underground 200 amp service has a lot of power, parts, and work that must be done properly. The costs of installing a 200 amp service is not cheap. You will be spending anywhere from $1,500 to $3,000 for a 2,600 square foot home. The cost will depend on the type of wire you use, whether it be copper or aluminum.

  • Is copper-clad aluminum wire good for 200 amp service?

  • Good Conductivity: Again, copper-clad aluminum runs somewhat in the middle of the other two regarding conductivity. The Short Answer: Like with aluminum, you鈥檒l need a #4/0 copper-clad aluminum wire for a 200 amp service. Before you make your final decision, you need to consider a few other factors.

  • What size wire do I need for a 150 amp breaker?

  • A 150 amps circuit breaker requires a much thicker wire than a 125 amps breaker. In this case, you will need a 1/0-gauge copper wire at an ambient temperature of 167F or a 2/0-gauge aluminum wire at an ambient temperature of 194F.

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