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240V only in a home and NEC?
by dsk - 03/19/24 06:33 AM
Do we need grounding?
by tortuga - 03/18/24 08:39 PM
Cordless Tools: The Obvious Question
by renosteinke - 03/14/24 08:05 PM
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NEC & other Code issues Jump to new posts
Re: 240V only in a home and NEC? dsk 44 minutes ago
Most of Norway has traditionally had a Y 230. but the center point has not been bonded to ground, so it has usually not been a neutral at all. New transformers for new buildings use the more common European system of 400/230V Y, quite similar to the US 480/277V system. It has been some regional differences, The Stavanger area used the 230/400 (Earlier 380/220) system, Arendal area used a grounded center on the 230y but no Neutral wire in the supply system.
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Non-US Electrical Systems & Trades Jump to new posts
Re: Do we need grounding? tortuga 10 hours ago
One other thing the NEC allows [ 250.130(C) ]is running a independent ground wire, such as a #10 AWG green, back to the grounding electrode system. This can be a good option when the ampacity of the branch circuit is sufficient for the load and you just need a grounding type receptacle, such as a old 3 wire NM 10/3 cable for a dryer can be converted to a 4-wire NEMA 14-30.
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Non-US Electrical Systems & Trades Jump to new posts
Re: Cordless Tools: The Obvious Question renosteinke 03/15/24 12:05 AM
Yes, that was a joke. I figured that if the Canadian dollar has a lesser value than the American dollar, it followed that the Canadian volt was smaller than it’s American counterpart.
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