Thank you so much for reading this article on Aluminum Wire Vs Copper Wire For 100 Amp Service, hopefully you found it helpful and informative. Also, aluminum wiring is a viable option for houses where copper prices are high, but the superheat requirement of aluminum wire limits it's use in some cases. To conclude this blog post, you have learned that #2 AWG is the perfect 100 amp wire size. Aluminum wire is less expensive than copper wire, but looks uglier when strung together Copper wire is more expensive than aluminum wire, but looks nicer when strung togetherĪluminum wire: Rated at 100 amps and can carry between 94-105 Amps of continuously loaded current. These two types of wires are similar in resistance and can be used interchangeably with no ill effects, though aluminum will cost less due to its lower material costs.Ĭopper Wire: Rated at 100 amps and can carry anywhere between 80-95 Amps of continuously loaded current. UF-B Cable: Suited for underground and direct burial, it insulates against moisture, eliminating the need for conduit in outdoor installations.Type MC Cable: With protective armor, it's conduit-free, providing flexibility and added protection in various applications.Copper SER (Service Entrance Cable): Popular for panels and subpanels, ensure proper ground wire sizing for effective grounding.USE-2 RHH RHW-2: Tailored for underground service entrance, it resists sunlight and moisture for reliable outdoor use.THHN/THWN-2 and XHHW-XHHW-2: Ideal for conduits, THHN/THWN-2 suits diverse conditions, while XHHW-XHHW-2 offers heat and sunlight resistance.Types of Copper Wires For A 100-amp Service Panel Want to know the wire sizes of other amperages? Visit some of our other pages below. Subpanels and circuit breaker panels in residential, commercial, and industrial buildingsġ00 amp service is a very common type of electrical service, and you can find 100 amp subpanels everywhere.Ī certified electrician is necessary for handling these types of amperages and wiring.Older homes with a limited number of appliances.Here are some of the places where 100 amp service is used: The breaker panel and the electrical load is less than 50 feet. A #4 AWG wire can be used if the distance between This wire is used when the run between the breaker panel and the electrical load (such as an air conditioner) is long, like in large commercial buildings. Visit Article Close What Size Wire For 100 AmpsĪ #2 AWG wire is needed for a 100 amp service. Would you like to read another article on 50 amp wire size? You will then see results for the cross-sectional area, wire gauge in AWG, and the diameter of the cable.Hey, i noticed that you are enjoying this article so far.The value should be the maximum operating temperature that is expected for the wire. Enter the one-way distance of the cable run from its source to the farthest point.This figure should be the peak current so that the cable can be sized for the worst case. Input a value for the current of the system.Select the wire conductor material, either copper or aluminum.The smaller, the better, but the limit is 5% to keep devices working properly. Input what percentage voltage drop is allowable.Enter a value for the source voltage, e.g., 12 V.That means the calculator can be a simple DC wire size calculator, all the way up to an AC three-phase tool. Im thinking I can use 1/0-1/0-1/0-4 AL but since it needs to go underground am. ![]() ![]() ![]() The run to the garage, lug to lug is 65 and I have to bury the cable to meet code and am going to put it in Sched 40 conduit. I plan to install a 100 AMP circuit breaker in the house panel. Either DC/AC Single-phase or AC Three-phase. Im wiring a 100 AMP garage sub-panel from a 200 AMP main in my house. Select which electrical system you will be using.Here is a step-by-step guide on how to use the wire size calculator:
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