This is a voltage drop question. To give an answer the voltage must be stated.
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For a 125 amp sub panel located less than 200 feet away from a 200 amp panel, you would typically use a 2 AWG copper wire or 1/0 AWG aluminum wire to safely carry the current load. It's important to follow local electrical codes and regulations when selecting the wire size.
AWG 2/0 copper wire.
For a 200 amp service, you will typically need a wire size of 2/0 AWG (American Wire Gauge) for copper or 4/0 AWG for aluminum. It is recommended to consult with a licensed electrician for specific requirements and installation guidelines.
As a service entrance wire you need AWG # 3/0 gauge copper.
The recommended wire size for a 200 amp service using aluminum wire is typically 2/0 AWG (American Wire Gauge).
The 200 amp wire size chart provides information on the recommended wire size to use for a 200 amp electrical circuit. It includes details such as the wire gauge, maximum current capacity, and the type of insulation suitable for carrying a 200 amp load safely.
The recommended wire size for a 200 amp electrical circuit is typically 2/0 or 3/0 gauge wire.
The recommended aluminum wire size for a 200 amp service is typically 2/0 AWG.
For a 200 amp service, it is recommended to use a size 2/0 or larger underground wire.
The recommended wire size for a 200 amp aluminum electrical circuit is typically 2/0 AWG (American Wire Gauge).
The size of the ground wire for a circuit is typically based on the size of the circuit breaker protecting that circuit. For a 200 amp circuit breaker, the recommended ground wire size is 4/0 AWG (American Wire Gauge) copper wire. This wire size helps ensure that the ground wire can safely carry any fault currents that may occur in the electrical system.