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In this state it is illegal for a non-electrician to do house wiring. Still it is done! The stores that sell the wiring supplies usually sell little booklets on house wiring. There are also books on wiring codes. Last time I looked, they were less than ten dollars. One guy saved a few dollars and burned down his house. Get a copy of one of those books.
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∙ 14y ago
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∙ 13y agoA #1 copper wire with an insulation factor of 75 or 90 degrees C is rated at 130 and 140 amps respectively. With an insulation factor of 60 degrees C a 1/0 wire is rated at 125 amps.
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∙ 8y agoA #3 copper conductor with an insulation factor of 90 degrees C is rated at 130 amps.
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∙ 15y agothe size of wire is 95sq.mm
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∙ 10y agoAWG # 1/0 copper or aluminum.
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∙ 10y ago# 4 copper ground wire.
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∙ 16y ago1/0 alum.
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∙ 11y ago#6
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What size wire is needed to feed a 125 amp sub panel from a 200 amp panel less than 200 wire feet away?
A #1 copper wire with an insulation rating of 90 degrees C is rated at 140 amps.
Can you replace a 13 amp 125 volt appliance cord with a 15 amp 125 volt cord?
Yes, no problem at all going to a larger ampacity of wire. Larger size wire yes, smaller size wire no.
Ground wire size for 125 amp service?
six awg
What size wire would you use for a 70KW 240 vac single phase generator?
To calculate the wire size you would have to find the amperage. I = W/E, 70000/240 = 291.67 amps. The wire size according to code has to be up sized to 125%. 291.67 x 125% = 364.6. 500MCM copper wire with an insulation factor of 75 and 90 degrees C is rated at 380 and 395 amps respectively. If parallel conductors were used the wire size for 75 degree wire would be 3/0 rated at 200 amps. Parallel conductors for 90 degree wire would be 2/0 rated at 185 amps.
What wire size do you need for a 3phase 90amp 60hz 220v?
Wire size is based on the amperage capacity of the service it is feeding. You tell me the service amps and I can tell you the wire size.
What size wire is needed to feed a 125 amp sub panel from a 200 amp panel less than 200 wire feet away?
A #1 copper wire with an insulation rating of 90 degrees C is rated at 140 amps.
What wire size do you need for a 125 amp panel with a 100 amp main breaker?
A #3 copper conductor with an insulation factor of 90 degrees C is rated at 115 amps. Even though the panel is rated at a higher amperage it is the main breaker that governs the wire size.
What size aluminum wire to feed 125 Amps 220 volt a distance of 175' and what size ground?
A 3/0 aluminum conductor will limit the voltage drop to3% or less when supplying 125 amps for 175 feet on a 220 volt system. If the 125 amp load is a sub distribution panel that is not going to be fully loaded to 125 amps then using the exact connected load, which might be smaller than 125 amps will effect the wire sizing. The grounding conductor for that size distribution panel is #6 bare copper.
What size underground feeder wire is needed from a 400 amp breaker to a 125 amp panel box. The total distance is 100 feet?
1/0 <<>> This is a voltage drop question. A voltage and whether it is a single or three phase system must be provided to give an answer.
Can you replace a 13 amp 125 volt appliance cord with a 15 amp 125 volt cord?
Yes, no problem at all going to a larger ampacity of wire. Larger size wire yes, smaller size wire no.
Ground wire size for 125 amp service?
six awg
What size of wire to handle 125 Amp?
AWG # 1/0 copper would normally be used.
What wire size is needed to 125 amp load for 340 feet?
== == 125 Amps is a very heavy current load for a household circuit so this 340 ft run may be for some industrial plant or equipment... You really should know how to handle wiring size calculations already before you install that kind of stuff. To do a proper calculation, working voltage is needed, whether it is single phase or three phase and whether the wire is copper or aluminium. Single phase - 125 amps at 120 volts, copper wire #3/0, 125 amps at 240 volts, copper wire #1 Three phase - 125 amps at 480 volts, copper wire #4 ----- 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 JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
What size wire would you use for a 70KW 240 vac single phase generator?
To calculate the wire size you would have to find the amperage. I = W/E, 70000/240 = 291.67 amps. The wire size according to code has to be up sized to 125%. 291.67 x 125% = 364.6. 500MCM copper wire with an insulation factor of 75 and 90 degrees C is rated at 380 and 395 amps respectively. If parallel conductors were used the wire size for 75 degree wire would be 3/0 rated at 200 amps. Parallel conductors for 90 degree wire would be 2/0 rated at 185 amps.
What size wire do you need to run 200 ft of 125 amp?
This is a voltage drop question. To give an answer the voltage must be stated.
What wire size do you need for a 3phase 90amp 60hz 220v?
Wire size is based on the amperage capacity of the service it is feeding. You tell me the service amps and I can tell you the wire size.
Should a 2 AWG copper wire be used to feed a 125 amp sub panel located 125 feet from main panel?
No, the conductor is too small. The feeder to a 120/240 volt sub panel should be a 1/0 copper or a 2/0 aluminium conductor. This size conductor will limit the voltage drop to 3% or less when supplying 125 amps for 125 feet on a 240 volt system. ACWU 90 (Armoured Cable Wet location Underground 90 degree C). ACWU 90 cable is code approved for direct burial and is used in many projects as an underground service distribution feeder. Aluminium is much cheaper than copper for this type of installation.
