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.

Search titles only. Too much talking about grounds and in a hurry.

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Does 220v need a neutral

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? The standard volt wiring diagram often uses two hot wires to connect to an appropriately-sized circuit breaker. Also, a neutral or ground wire might not be necessary to complete this electrical setup.

Dr cheryl nabors

On a 4-wire subpanel using the neutral wire as an EGC can be an issue since its isolated. Same difference, more or less? Seems to me the danger lies with converting 3-wire to 4-wire outlets ex: some dryers , and using one wire for both neutral and ground. By logging into your account, you agree to our Terms of Use and Privacy Policy , and to the use of cookies as described therein. It is not code compliant anymore, and I imagine you will need to ensure that it is grounded properly back to the panel when it is replaced, as any replacement electric water heater will have a grounding screw, and might not be designed to get ground from the plumbing, or the plumbing might not be copper all the way back to earth ground. Sorry, not correct. This would be seen in a range, as opposed to an AC Compressor unit. In theory I suppose, but I'm pretty sure the domestic power line is two out-of-phase volt lines, not a single phase hot and a neutral. On single phase V your electrician is correct - ground on one wire and hot on the other. Two single-pole breakers could be used side by side if an approved handle tie is used. I have been working on this and am going back to read this thread to see every way it can be mis understood, I have heard most of them. Top Bottom. It is at this point one leg dies and becomes a neutral, and the other dies during the next cycle. Breakers trip when excess current travels through them. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm.

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.

The batteries represent a power source, no different than the secondary of a transformer which is providing power to your house. Read More. So able to use around the world. It is at this point one leg dies and becomes a neutral, and the other dies during the next cycle. Most competent electricians will just assume you know everything is grounded, and explain it just like that. This is why you also wont see a convenience receptacle derived from AC power on an exterior. Do I add a new junction box and connect the new wires to the existing downstream load wires? This might help… The V does not return to ground, it returns to the power companies center tap on the transformer. A ground wire is not intended or permitted to be a current carrying conductor. View Quote Not necessarily. In this situation it is critical that the red and black wires are not on the same bus or the single neutral wire will be carrying double the amperage. You see it on AC and heat pumps pretty frequently. A V.