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What size ground wire is needed for a 150 amp service?

Updated: 8/10/2023

Wiki User

∙ 13y ago

Best Answer

Assuming this falls under the National Electrical Code (NEC) the size for the service ground is based on the conductor size of the Ungrounded (Hot) conductors. For 150A the size of XHHW Copper would be 1/0 for the Hot conductors and #6 AWG copper for the ground. Aluminum would be 3/0 for the Hot conductors and #4 AWG aluminum for the ground.

Wiki User

∙ 13y ago

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Wiki User

∙ 15y ago

1/0 will handle 150 amps if the wire is rated 75 C, 2/0 would be safer.

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Wiki User

∙ 14y ago

Size 1

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Shammas Shaz ∙

Lvl 1

∙ 1y ago

25

Wiki User

∙ 11y ago

#4 Copper.

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Anonymous ∙

Lvl 1

∙ 3y ago

#6

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Anonymous ∙

Lvl 1

∙ 3y ago

#6

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Anonymous ∙

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∙ 3y ago

#6

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Q: What size ground wire is needed for a 150 amp service?

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Continue Learning about Natural Sciences

What size wire is needed for carrying 100 amps under ground?

To calculate the wire size, a system voltage is needed.

What size ground wire is needed for 20 amp?

A #14 wire will do fine for grounding a 20 amp device. That is the size of the ground wire in a 2 conductor # 12 wire building cable.

Ground wire size for 200?

A 200 amp service panel will require a # 4 bare copper ground wire.

Ground wire size for 125 amp service?

six awg

How do you know what wire is ground on 200 amp service?

On a 200 amp or any size service the ground wire is easily identified. Look in the distribution panel for the neutral bus bar. This is where the service neutral (white wire) is connected to the distribution panel. There you will see a bare copper wire connected to the same neutral bar. This is the ground wire that is connected to the ground rods out side of the house.

Related questions

What size ground wire needed for a 200amp service panel in new jersey?

#6 bare copper wire.

What size ground wire is needed for 200amp service pannel in Chicago?

200 amp service in chicago uses 3 aught.

What size wire is needed for carrying 100 amps under ground?

To calculate the wire size, a system voltage is needed.

What size ground wire is needed for 400 amp service entrance?

It actually depends on the size of service entrance feeders. 1/0 copper should cover you in most cases

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