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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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What size wire is needed to feed a 125 amp sub panel from a 200 amp panel less than 200 wire feet away?
For a 125 amp sub panel located less than 200 feet away from a 200 amp panel, you would typically use a 2 AWG copper wire or 1/0 AWG aluminum wire to safely carry the current load. It's important to follow local electrical codes and regulations when selecting the wire size.
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?
For a 125 amp service, a ground wire size of 8 AWG copper or 6 AWG aluminum is typically sufficient. However, it's important to consult with local electrical codes and regulations to ensure compliance with specific requirements in your area.
What size wire would you use for a 70KW 240 vac single phase generator?
For a 70kW 240V single phase generator, you would typically use a wire size of 3/0 AWG copper wire. This size wire is rated to handle the current carrying capacity required for a generator of that size to ensure safe and efficient operation. Be sure to consult with a professional electrician to confirm the correct wire size for your specific installation.
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.
