Timeline for If I split a shared neutral circuit into 2 circuits, will I avoid an overload?
Current License: CC BY-SA 4.0
9 events
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| Feb 20 at 22:13 | comment | added | Joshua | @EricLippert: Too bad it's hard to get that 40amp neutral on the MWBC passed inspection (they really don't like it when you don't use bundled wires for some reason). | |
| Feb 20 at 20:48 | comment | added | manassehkatz-Moving 2 Codidact | @EricLippert Found a miswired (both hots on same leg) MWBC in an old fusebox when replacing two fuseboxes + 1 small breaker panel (added when doing my kitchen 20+ years ago) with 1 nice big breaker panel. Fortunately it never caused a problem, but it could have. | |
| Feb 20 at 19:10 | comment | added | Eric Lippert | Thanks for noting that shared-neutral circuits are often a big dangerous mess. They can start safe and then homeowners move stuff around not understanding the consequences and end up with 40 amps on the neutral. That was the case in my house when I bought it and in several older houses owned by friends that I've helped diagnose electrical problems. It is surprisingly common. | |
| Feb 20 at 18:33 | comment | added | supercat | Why would having a breaker next to the receptacle it controls be a bad idea? If a breaker was designed to be water-resistant, what downside would you see? | |
| Feb 20 at 17:50 | comment | added | manassehkatz-Moving 2 Codidact | There are plenty of reasons why that would not be a good idea. But that is the reason why you sometimes find a subpanel in/near a kitchen. (I am fortunate that my kitchen is directly above the laundry room where the electrical panel is, so running extra circuits to the kitchen is super-easy. Most people aren't that fortunate.) | |
| Feb 20 at 17:40 | comment | added | supercat | I wish there was a commonplace form of receptacle with a built-in 20A breaker that could be installed on a 40A or 50A circuit, since a fair number of appliances draw around 12-13 amps. Three such devices could be used on a 40A circuit, but trying to put two on either of the 20A circuits in a typical kitchen would often result in a popped breaker. | |
| Feb 20 at 5:15 | vote | accept | john christensen | ||
| Feb 20 at 5:16 | |||||
| Feb 19 at 21:06 | history | edited | manassehkatz-Moving 2 Codidact | CC BY-SA 4.0 |
added 147 characters in body
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| Feb 19 at 20:48 | history | answered | manassehkatz-Moving 2 Codidact | CC BY-SA 4.0 |