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Answer for USA, Canada and countries running a 60 Hz supply service.

A #6 copper conductor with an insulation factor of 75 or 90 degrees C is rated at 65 amps.

Before you do any work yourself,

on electrical circuits, equipment or appliances,

always use a test meter to ensure the circuit is, in fact, de-energized.

IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS.

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13y ago
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16y ago

The only normal domestic situations in which you are likely to need 50amps are for an electric shower or cooker. Both of these are subject to part P of the building regulation requirements and should only be tackled by an electrician who is part P certified, or installed and then signed off by a part P certified electrician before connection to the mains supply, who will also check the cross bonding before signing to give approval. (Any electrical supply company will tell you what size twin and earth - I can't remember having been out of the trade a few years).

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13y ago

Answer for USA, Canada and countries running a 60 Hz supply service.

In general practice #8 gauge wire serves a 50 amp circuit.

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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.

Before you do any work yourself,

on electrical circuits, equipment or appliances,

always use a test meter to ensure the circuit is, in fact, de-energized.

IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS.

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13y ago

6 AWG.

A #6 copper conductor with an insulation factor of 75 or 90 degrees C is rated at 65 amps.

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11y ago

A #6 copper conductor with an insulation factor of 75 or 90 degrees C is rated at 65 amps.

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11y ago

AWG # 6 copper.

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Q: What is the right Wire size for 50 amp circuit?
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