See full version: The Circuit Detective
So a UK visitor here may wonder if my website is of any use for, say, troubleshooting UK electrical problems. Good question. For specifics, I would say no, since the applicability of things here in the colonies to back home will never be certain. But for basic concepts and approaches to troubleshooting, I would say yes. I'm thinking especially of the overall approach in the Troubleshooting page. [links]
Here are some differences that I have been able to gather from several sites on the internet (not from any experience by me abroad). Also see my American home electrical glossary. here
I am fascinated and unsure how problems on a ring circuit would be troubleshot. One bad connection along the ring wouldn't make itself known until a second one on the same line (live or else neutral) showed up. If one of the two were discovered, the other should be pursued also, but finding either would be a bit different than what I suggest about Locating an open.
Almost 5% of visitors to my site are from the UK. To help them feel more at home, I offer this UK- USA Electrical Differences chart. more
Within a country there will be some variation in electrical terminology, but between two that have the same language, the generally accepted lingo can be markedly different. In the electrical trade, some of this is due to actual differences in materials, installation, and regulations. more
In the USA the two commonly supplied shore-power voltages are 120 Volts (60Hz) AC and 240 Volts (60Hz) AC. The standard in Europe is 230 Volts (50Hz) AC. All of these supplies are single phase, but there are differences in the supply wire configurations and consequently in the power distribution panel structure. The chart below illustrates the differences. here
*Note:
Standard European practice and ABYC requirements include ground-fault protection for the entire AC system as well as critical branch circuit GFCI protection.
1&2 are the same, but I don't think they are true -- or, at least, a compromise would need to be made elsewhere in order to make them true. A 3phase circuit of equal voltage to a single phase circuit carries 1.73x as much power, but a single phase 240V carries twice as much as a 120V. So either the incoming feeders need to be larger in the UK or the number of circuits in the house needs to be reduced or the diversity assumption needs to be more aggressive. Otherwise, if you use the same math and layout, you would overload the incoming main in the UK house by 15%. [links]
None of those is necessarily true, at least as stated. From the bottom-up:
3. The US doesn't have such high power appliances. I suppose that is a benefit for those in the UK, but the circuiting issues haven't changed: you wouldn't want to run the kettle and vacuum cleaner on the same circuit. And higher-power, permanently installed appliances like water heaters and stoves/ovens still need their own dedicated, higher power/amperage circuits. here
I've just watched a video about the problems of back-feeding your home with an inverter/battery source, most of which relate to the split-phase system in the US.
Flexibility would be the main one I see, as you get to choose a voltage most appropriate for your load. [links]
None of those is necessarily true, at least as stated. From the bottom-up:
3. The US doesn't have such high power appliances. I suppose that is a benefit for those in the UK, but the circuiting issues haven't changed: you wouldn't want to run the kettle and vacuum cleaner on the same circuit. And higher-power, permanently installed appliances like water heaters and stoves/ovens still need their own dedicated, higher power/amperage circuits. here
The primary lug-only burden habitats are ordinarily applied downstream of a fundamental electrical switchboard and are frequently alluded to as a sub-board. For principle carry just burden habitats, the approaching links are ended on the line side of the carries joined straightforwardly to the transport; no fundamental overcurrent gadget exists inside the board.
02. At that point, flip the switch on the primary electrical switch to the OFF option.
The approaching stockpile links of the main lug are associated with the fundamental breaker. It takes care of capacity to the heap place and its branch circuits.
In lofts and some more established structures, the assistance board is incorporated into the divider. It would seem that a metal bureau entryway and is difficult to pull open from the outset. [links]
03. Now reset the principal breaker to the ON position; at that point, turn on every electrical switch, each in turn.
Your fundamental electrical switch is on your electrical assistance board box. When you wonder where it is situated in your home, search for the electrical help board that encloses your cellar or carport. At times they are close to your water radiator or the clothing.