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That would need a busbar, an aluminium one with a cross section of 1 cm by 9 cm (or larger).
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A 600 MCM copper conductor with an insulation factor of 90 degrees C is rated at 475 amps.
A 300 MCM copper conductor with an insulation factor of 90 degrees C is rated at 320 amps.
A 3/0 copper conductor with an insulation factor of 90 degrees C is rated at 225 amps.
These size wires can be installed in parallel 600 MCM, tripled for 300 MCM or grouped in four 3/0 wires groups to achieve the amperage required.
Special parallel, three barrel and four barrel lugs have to be used to make the connection to the required load.
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∙ 10y ago
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What is the wire size for a 35 amp breaker to a ac unit?
You will need to use #8 wire.
What size wire do you need for a forty amp breaker?
8 AWG is typical.
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2AWG.
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#3 copper.
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8 AWG copper.
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You need a 60 amp breaker.
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40 amp
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2 or 4
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AWG 2/0 copper wire.
What size wire and breaker do you need for a 5000 watt garage heater?
Look on the heater and see what amps it is pulling. That will determine the wire size and breaker size. It must be on a dedicated circuit. 15 amps = AWG # 14 wire with 15 amp breaker 20 amps = AWG # 12 wire with 20 amp breaker 30 amps = AWG # 10 wire with 30 amp breaker 40 amps = AWG # 8 wire with 40 amp breaker
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Depends on the size of the circuit which you did not list.
