Questions tagged [240v]

For questions dealing with 240 volt electrical circuits, devices, and equipment. This tag covers the similar voltages as well (i.e. 220, 230, etc), since they generally refer to the same thing. Use with the [electrical] tag.

22 questions with no upvoted or accepted answers
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118 views

Can I feed a sub panel off my 200A service box? Or would I need to run wire from the inside breaker box?

Can I add a sub panel feed off my 200A service box? If so what are the requirements? Or would I need to run it from the main house breaker inside the house and wire from there? I currently have a ...
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0answers
87 views

Wanting to make existing 2-wire 220V outlet a 4-wire one

(Located in the USA) I've inherited a 220V (or 240V?) circuit which is just capped off inside a junction box. It's hooked up to a 30A breaker, and seems fine, except that it's only a 3-wire run--no ...
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1answer
2k views

Use 6-30 plug on 14-50 outlet

I am planning to install a NEMA 14-50 outlet in my garage on a 40A breaker (Romex 8/3 cable from breaker to outlet) for use with an electric car charger. The charger will charge my wife's car in the ...
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67 views

240v 4-wire power issue

To start, i repair hot tubs for a living and am not a licensed electrician. But I recently am having a problem with a job that I know I have had many years ago but I just can't remember what solution ...
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0answers
99 views

Why is one leg of my dryer circuit dead?

This last weekend I was working outside when the lights went out from a tripped breaker. A house guest was running a blow dryer and personal heater in the bathroom and the house is much older so given ...
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0answers
86 views

Surge protector for appliances - per appliance? Non-standard?

I was told by a technician that I need a separate surge protector for each appliance (washing machine, dryer, etc. They have electronic boards in them). I was also told that I need a special one for ...
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0answers
716 views

change 110v outlet to 240v/30 amp?

I need to install a 240v/30 amp outlet for a microwave (a Turbochef, kind of like a microwave on steroids.) I have a single 110v outlet on its own circuit. It's using 10 awg copper. Can I replace ...
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0answers
316 views

Clothes Dryer electrical 240v between hot and netural, 0 between other hot and neutral

I had to move around my dryer to do some work in my laundry room. When I plugged it back in, it wouldn't turn on at all. None of the buttons would even make the lights come on. I unscrewed the end ...
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0answers
42 views

What do I need to do to have the 240v system activate an indicator light only when the pump is activated?

I have a spring run-off. I have 1 effluent pump 240v with piggy-back float switch as primary pump I have 1 effluent pump 115v with piggy-back float switch as secondary pump set to higher level to come ...
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0answers
184 views

What could happen if a 240 stove cord was improperly installed and then stove was plugged in to the receptacle?

I think my new stove cord was installed incorrectly — after being plugged in we heard a ((whooooaamp)) sound and all the lights in the house flickered, now none of my 220 appliances will work ...
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0answers
48 views

Dryer only getting 120v

There is something wrong with my dryer/electrical and I just can't figure out what it is. Is this a dryer issue or an electrical issue? I just need to know who I should call to fix it. I did all I'm ...
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33 views

240 volt outlet is not delivering full 240 after electricity went off

Our electricity popped off, smelled metallic. Now 240v outlet registering less power. Dryer only beeps and does not run.
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0answers
44 views

20 year old GenTran Switch Totally Dead

Just picked up a new generator after 23 years using the same one. Had to change over the three prong 220v plug in with a 220v twist plug. Been over a year since using backup power. Plugged in the ...
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36 views

CO, USA - Code Violation for Switch or Subpanel to Power AC & Humidifier?

My mechanical closet is on the third floor of our townhouse and our breaker panel is on the first. To install a steam humidifier, I’ll have to run a 220 line between two floors or outside, both of ...
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1answer
128 views

Blue cable in 220v air conditioner plug & cord?

I'm looking to replace the plug on a window air conditioner unit that uses a 6-20 240v plug. However, in addition to the cord having two hots and ground, there's a small blue cable that I'm not sure ...
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1answer
98 views

Adding New Breaker / Subpanel

I am installing a 240v ductless mini split. My breaker box is full, and I have a seperate ( hot water ) breaker in its own box on its own meter. I see two ways I can approach the situation: 1) Add a ...
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537 views

wiring up new detached garage

K.I.S.S. Keep it simple stupid. Please remember this when responding because I have very little knowledge of home electrical, mechanic by trade. My House has a 200amp service panel House panel runs ...
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0answers
36 views

Dryer works. Just not on my 240v circuit

Been racking my Brain. had a dryer go out on me. t/s the dryer i.e thermal fuse. switches etc. even put D.M.M. on motor leads and spun motor and it produced voltage. At a loss I purchased a used dryer ...
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1answer
116 views

Switch a condenser dryer from drawer to pipe

How does one switch a condenser (ventless) dryer such as the Electrolux edc78550w from collecting the water in the drawer to pushing it through the back pipe?
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1answer
51 views

What is causing the remote not to work properly when the light is connected up to the ceiling fan?

I installed a 220v DC ceiling fan. Prior to installing the LED light, I tested to ensure the fan motor worked with the remote control and it did at all speeds. I hooked up the LED light as specified ...
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0answers
44 views

Replacing switch for pool spa

The switch that controls our pool spa is currently located on the side of the house, behind our AC unit. It's a very awkward, hard to reach location, so I'm currently looking into replacing it with a ...
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0answers
62 views

240v/200v between hot and neutral,24-41v between hot and hot

yesterday our power went off. No break in the circuit board. One of the lights still works. But let me explain the house. It's very small, probably 12x4m. Our bedroom is closest to the circuit board....