![]() How to determine the size, capacity, or ampacity of electrical service at a building. What is the diameter of thermostat wire, telephone wire, bell wire? What is the diameter of service entry electrical cabling? What are the common diameters of household copper or aluminum electrical wiring? Here we discuss and present a table of electrical wire sizes, ampacity, and fuse or circuit breaker sizes for common residential electrical wiring circuits. Service Entry & Electrical Cable or Wire Sizes vs Amps vs Run Length We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. This article series gives photos and tables of electrical service entry cable sizes, electrical branch circuit wire sizes, bell wire, telephone wire, thermostat wire, and ampacity or fuse/circuit breaker ratings. We include tables of aluminum or copper wire sizes for long runs of service entry cables. These Tables of Electrical Service Entry Cable Sizes, Electrical Circuit Wire Diameters, Circuit Ampacity, Allowable Voltage Drop, & Wire Size Increase based on Run Length assist in determining the electrical service size or other required electrical wire sizes at buildings. We have no relationship with advertisers, products, or services discussed at this website. 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.InspectAPedia tolerates no conflicts of interest. 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? ![]() Hey, i noticed that you are enjoying this article so far. ![]()
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