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Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so you need to provide your location in your question or profile to ensure you get answers that are relevant to you. Posting photographs of wiring junctions or drawing a wiring diagram and posting it is also highly recommended.

1 vote

What wire gauge is required for a 220V air compressor?

The question is missing a few pieces of data to properly calculate wire gauge. Assuming your motor is a 230V 5HP motor your FLC (NEC table Table 430.248) should be about 28A and as such you may be abl …
Gregory Furmanek's user avatar
2 votes
1 answer
798 views

Multiple 30A outlets on the same breaker

I am upgrading my Garage/Shop electrical installation and adding a few 30Amp circuits. Is there any electrical code restrictions to have multiple 30A outlets on the same 30A breaker? …
Gregory Furmanek's user avatar
4 votes
1 answer
4k views

Are there any NEC restrictions for wiring 220v and 110v sockets on the same dual pole breaker?

I am working on an electrical upgrade for my garage. Some equipment I have requires 20A 220V power. Other equipment only needs 15A or 20A 110V. …
Gregory Furmanek's user avatar