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Wire calculation help needed
I have to bury new power supply cables to my shop. The distance is 200ft. The power requirements at a max will be to run some lights and an air compressor (240 volt 100amp at startup 20 amp cont.) What size wire should I budget for? Should I expect to use, Cu or Al? The electrician is coming next week, but I'm trying to do some budgeting this weekend.
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