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Registered Member #30
Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
I think the normal outlet is 120V, 16A, but most homes also have 240V for large appliances.
3 phase is used to a similar extent as it is in the UK, except the Americans have several voltages: 120/208, 277/480 and so on, none of them quite matching our 230/400V system. Most fun of all is the "high leg delta" system.
Registered Member #509
Joined: Sat Feb 10 2007, 07:02AM
Location:
Posts: 329
200A service is standard for all electric homes, 100A is standard for homes with gas/propane/oil appliances. A 200A service upgrade wouldn't be a problem. For my buddy, he called the local utility, and a 200A upgrade is free on the utility side (maybe transformer, lines running to the house, and meter) so he only needs to pay an electrician for a panel replacement and new wire from the meter to the panel.
and iirc, you can even get 240V service upto 300, or 400A in some areas, and more dependent on your location, a 3 phase connection may be available if you want to run machinery without a phase converter.
Though your standard household outlet circuits will be limited to <2.5kw instead of 7+kW like you crazy Brits and your 32A 220V circuits
Single phase only here in my area, but in the major city they do have up to three phase power; 120V (phase to neutral) (standard 3 prong outlet, hot neutral ground) 240V (phase to phase) (larger 4 prong round plug, hot+ hot- neutral ground) Standard is 100A service, 200A is available but most of the cabling and wiring used in the area would need an upgrade to safely handle it.
Breakers are mostly 15A but if your wiring is up to spec you can have 20A ones put in. So, the most you're going to get is 4.8kW in this area.
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