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According to the 2008 NEC Code Book a #4 AWG Copper wire is rated at 95 Amps @ 90C (194 F), 85 Amps @ 75C (167 F), and 70 Amps @ 60C (140 F). These allowable amperage ratings are based on the wires type of insullation.

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14y ago
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6mo ago

A 4-wire connection typically refers to a 4-wire cable used in electrical installations. The ampacity of a 4-wire cable would depend on its gauge or thickness, which determines the maximum current it can carry safely. Common ampacities for 4-wire cables can range from 15 amps for smaller cables to 100 amps for larger cables. It is important to consult the manufacturer's specifications for the specific 4-wire cable being used.

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Q: How many amps is 4 wire good for?
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Related questions

What wire size is good for 100 amps?

# 4 copper wire short distance.


How many amps will 4 gauge wire handle?

The amps that a four gauge wire will handle will depend with the thickness of the wire. If the wire is thin, the four gauge will handle 95 amps.


How many amps can 4 ought aluminum wire carry?

Aluminum 4/0 wire car carry 180 amps at at 75 degrees Fahrenheit or 205 amps at 90 degrees. .


How many Amps is number 4 THHN copper rated for?

According to the National Electrical Code (NEC), the ampacity of a 4 AWG THHN copper wire at 75°C is 85 amps, and 95 amps at 90°C.


What is the amp rating of 4 gauge wire?

80 amps


Can you use 4 AWG wire with a 6 AWG ground wire to a sub box 100 feet away?

Yes you can. You did not say how many amps were required.


How many amps will a 4 gauge aluminum wire carry?

A 4-gauge aluminum wire can typically carry up to 70-85 amps of current for general household wiring applications. It is important to always consult with local electrical codes and a professional electrician to ensure safe and compliant electrical installations.


What is the max amps for a 4 gauge wire can 4 gauge feed a 100A breaker box?

Yes, # 4 AWG copper and 100 amps is the max.


How much amps will taken in 35 sq mm wire?

A 4 mm diameter copper wire with an insulation factor of 75 or 90 degrees C is rated at 65 amps.


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How many amps in a 4mm wire?

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How many amps will takes in 1 sq mm aluminium wire?

A 16 mm squared wire is equal to a #5 on the AWG scale. The electrical code book does not have amperage capacities for odd numbered wires. In North America the #6 copper conductor with an insulation factor of 75 or 90 degrees C is rated at 65 and 75 amps respectively. A #4 copper conductor with an insulation factor of 75 or 90 degrees C is rated at 85 and 95 amps respectively.