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You need to say whether it's a 150 amp service or a 1200 amp service it has to be one or the other.

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A 1/0 copper conductor with an insulation factor of 90 degrees C is rated at 155 amps. There is no ground wire stated for a 150 amp service so the next size up is a 200 amp service. The ground wire for this size is #6 bare AWG.

Without knowing what types of loads that are coming off of the distribution a reduced neutral can not be recommended. The neutral will be the same size as the service conductor which is 1/0.

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What size service ground is needed for a 350 parallel service?

The required size of the service grounding conductor for a 350 amp parallel service will depend on the specific installation requirements and local codes. It is recommended to consult with a licensed electrician or engineer to determine the proper size based on factors such as the type of wiring used, the distance between the service entrance and the transformer, and the local ground conditions.


Ground wire size for 125 amp service?

For a 125 amp service, a ground wire size of 8 AWG copper or 6 AWG aluminum is typically sufficient. However, it's important to consult with local electrical codes and regulations to ensure compliance with specific requirements in your area.


Ground wire size for 200?

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.


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A Harley-Davidson 1200 model typically has an engine size of 1202 cc.


What wire size to use from breaker box to earth ground rod?

The wire size used in a service entrance distribution panel is governed by the size of the services over current device. The larger the service, the larger the fault current could be, the larger the ground wire to carry the fault current to ground. If the largest service conductor carries 100 amps use a #8, 200 amps - #6, 400 amps - #3, 600 amps - #1, 800 amps - 1/0 and over 800 amps - 2/0 for the ground wire. &lt;&lt;&gt;&gt; Golden Valley Electric Assoc. in Alaska requires #4AWG copper wire for a ground from the breaker box to earth ground rod. The same goes from the service entrance panel on the pole.

Related Questions

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A 100 amp residential service requires a size #8 copper wire, it should be insulated in green.


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For Service Entrance Cable 600 kcmill (Thousands of circular mils).


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What size wire should be used for a 100 amp service in copper?

For a 100 amp service in copper, a wire size of 3/0 AWG should be used.


Are there negative wire gauges?

Yes, there are ground wire gauges. The approiate size ground wire must be matched to the size service you are installing. For instance a 200 amp serivce must be grounded with a # 4 bare copper ground wire.


What size wire should be used for a 50 amp RV service?

For a 50 amp RV service, a wire size of 6 AWG should be used to safely handle the electrical load.


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What size wire should be used for a 30 amp RV service?

For a 30 amp RV service, a wire size of at least 10 gauge should be used to safely handle the electrical load.


What size wire is needed for 1200 amp service?

This size service can be wired in a few combinations. Two parallel runs of 1250 MCM, three parallel runs of 600 MCM, four parallel runs of 350 MCM. Of the three choices the four runs of 350 MCM wires would be the easiest to handle if there are any bends in the service entrance conduit.