![]() You can use copper wiring for greater distances. The aluminum wire’s reduced conductivity and heat resistance will increase the gauge. You can use aluminum or copper for a 100 amp service entry wire. Check with your local building department for regulations. Choose between aluminum or copper wire, depending on how far your service entry wire needs to travel.ĭepending on the location, distances may vary. The maximum voltage drop permitted is 3%, and we will discuss it in greater depth shortly. When calculating wire size, you must know the length of the service line from the meter base to the electrical panel. Video can’t be loaded because JavaScript is disabled: Installing 100 Amp Service Wire To Work Shop () The Length Your Service Wire Runs Matters Choosing between aluminum or copper wire depends on how far your service entry wire needs to travel. Electricians enjoy working with it because it is lightweight and readily passes through the electrical conduit, resulting in faster installation and lower material and labor costs.
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