High ampacity will have a larger wire size. It feature of wire to tell how much current it can handle without getting overhead is called the capacity of write. Related: How Many Lights on a 15 Amp Circuit Factors to Consider Wire Size and Ampacity Copper it aluminum are conductors used to make teh wires that used to transfer the curent from power source to different device connected to circuits. It is good to follow the basic ideas of electrical wire before getting the technical functionalities of wire. To name sure election load is working undersin control conditions and following the sefey measures there must be require wire for a 100 amp service to be used Understanding Electrical Wire The size of the wire is the main parameter in an electrical system to prevent different issues such as voltage loss and overheating conditions. Introduction Size Wire for 100 Amp Service Can we install the wiring for a 100 amp service myself? How can we calculate voltage drop for my wire size? Can we use aluminum wire for a 100 amp service? Can we use a smaller wire size for a 100 amp service? Will 100-Amp Service Be Sufficient for My Home?.Types of Aluminum Wire For 100-amp Service Panels.Types of Copper Wire For 100-amp Service Panels.How Many Wires Do You Need For 100 Amp Service.Wire Size For 100 Amp Sub Panel 100 Feet Away.Can I Run a 100 Amp Sub Panel from a 100 Amp Panel?. What Size Wire Should I Use for a Sub-Panel?.What size wire do I need for a 100 amp sub panel?.Introduction Size Wire for 100 Amp Service.My initial thought was THHN copper, but I'd have to run conduit the whole length which will be a pain. In terms of aluminum, what are the issues with connecting it to breakers other than making sure the anti corrosion paste is used? Can SER be run in the void space above the basement without any code issues? In the garage, I'm not above building a wooden box out to conceal it since the run would be too long for conduit, unless SER can be run in conduit as well. For what its worth, I do work as an engineer and all too often everyone tries to save a few dollars to end up redoing something later because it couldn't be expanded or upgraded easily. Instead of running all of these separate, the intent was to feed one large sub panel and then install what I may need or want down the road since my meter/main panel is about as far from the attached garage and my welder/compressor as could be possible. I figure on at least the welder and compressor circuits being on simultaneously (think plasma cutter) and at least some draw from the other circuit. I know 100A sounds like overkill but this is my intent:Ģ0A Outdoor GFCI (since I don't have any outdoor outlets as it)Ĥ0A (20A x 2) FUTURE detached garage circuits - who knows if this will happen because it will be a lot of work for something I rarely use.and it's only 25' from the attached garage so an extension cord usually does the trick. I am considering liquid tight now for ease of installation - though more money, it would be less fittings and work to pull the wire through.Īny thoughts or insight would be helpful - there's likely other options I haven't thought of yet or considered to make this easier. I originally planned on THHN (2 hot, 1 neutral, 1 ground) and using PVC conduit but I have found that THHN requires conduit for the entire length it is used. I know in the garage I have to protect any wire ran in some sort of conduit. The other 20 feet is inside of the garage (not finished). 30 feet of my run is above a finished basement ceiling from the garage to the panel (think dry wall with no insulation above it). From what I can tell, I need 1 AWG copper for 100 amps ~50 feet. From the sub panel, I plan to install circuits for lighting, convenience outlets, a welder, and an air compressor - in lieu of running separate feeds for all of these pieces of equipment from my main 200 amp panel. I am currently reviewing my plans to install a 100 amp sub panel off of my 200 amp main panel in my attached garage.
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