Does 220v need a neutral

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Does 220v need a neutral

I will try and explain this to you. The batteries represent a power source, no different than the secondary of a transformer which is providing power to your house. In the battery scenario you have three connection points either end and the center where the two batteries meet. The transformer secondary is exactly the same, it also has three connection points, the ends of the coil and the center point between the ends which would be your neutral. In the battery set up if you connect meter across the two ends you will measure 3 volts. The midway point between the two ends the neutral requires no connection to get volts with only two wires. I even asked an established electrician and he just answered because uses both sides and only uses one…hmmmmm…ok long as youre willing to keep trying im listening. Wikapedia has a flash graphic that demonstrates it perfect, but you must find the keywords as it was posted 3 years ago. The reason I asked if you remembered the example from the old thread is because in that old thread I said to ignore the battery polarity. Also think of the two batteries in series as a power source, the same way that you would think of the three wires coming into your house panel as a source. For the sake of discussion in a single phase system get used to using and volts. The V does not return to ground, it returns to the power companies center tap on the transformer. Yes, this center tap is also connected to the earth ground but does not have to be to operate. Grounding and bonding is another whole subject matter that trips up most all new inspectors.

The one I refer to above does 220v need a neutral a pole mounted service which was installed by sparky and the owner then ran 3 wire and heard that the second panel at the house shouldnt be bonded to the ground so the only means and the equipment connected are to a rod. But without thinking every variation thru the machine could be subject to current under some circumstances with ground hooked to N of a 4 wire.

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Galvin Power is reader-supported. When you buy via our links, we may earn a commission at no cost to you. Learn more. Have you ever installed volt outlets? You may need to use a 2 wire volt wiring diagram to complete the electrical assembly correctly. However, what does this diagram look like?

Does 220v need a neutral

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So, electricity flowing on the proper path will either be used and changed to heat, work or light or it can flow back to its source to continue the process again. The equipment ground size is usually determined by the overcurrent protection breaker size. In a sub panel the neutral and ground are isolated from each other. View Quote It is in Europe. Loose Porcelain tile on second floor bathroom. Speedy Petey said:. Something that does help once the learning curve starts here is referring to the wires as ungrounded conductors, grounded conductors, grounding conductors and at which point the grounded conductor is a neutral. A ground rod has nothing to do with this. Grounding plays no role in how the voltage is measured. Open them up and check. For those, you'd need a ground, for v resistance heating, not so much. ShakinLM7 Well-known member. A lot of old houses have no grounds at all, like my house, that was built in

The humble outlet is one of the most common fixtures in modern homes and businesses. Despite its ubiquity, there is one aspect of the outlet that often goes unnoticed — the need for a neutral wire. But why?

You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. Click to expand The outlet has 3 screws, 2 brass and 1 green color. In the battery set up if you connect meter across the two ends you will measure 3 volts. What is typically done in a refurb concerning location of the outlets? So, electricity flowing on the proper path will either be used and changed to heat, work or light or it can flow back to its source to continue the process again. If it is not flowing on the proper path, then it will flow by any means on the easiest path to ground. So that would mean a transformer or something to convert household into into a one-hot single phase , which I doubt is happening. The Alliance. The neutral can be thought of as the utility company ground and the isolated ground is a local ground. Today I see handyman with beautiful work but its obvious no one has sit them down and actually went completely thru this system. Hence the proper name of over current protection device.