For questions dealing with 240 Volt electrical circuits, devices, and equipment.

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1
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1answer
47 views

How can I tell if there's an electrical issue or if I have a bad dryer?

I purchased a dryer from Sears: recently, which didn't work upon being connected. I performed a couple electrical checks (more on that in a moment), then called them up and told them that it was dead ...
1
vote
2answers
138 views

How do i know if my service panel will accommodate a 240v circuit breaker

We are looking to install a hot tub and trying to find out if our service panel will accommodate a 240v circuit breaker. This is what our panel says but I do not know what all of this means: ...
0
votes
0answers
38 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 ...
0
votes
0answers
45 views

Can I feed a 30 amp plasma cutter from this 50 amp subpanel?

The subpanel is fed from a 50 ampere 240 volt two pole breaker. Currently there are 3 20 ampere 120 volt breakers, running on it (two freezers and an air compressor). Would like to add a 30 ampere ...
2
votes
1answer
232 views

What's the difference between three phase 240 V and standard household 240 V?

I don't understand the difference between household 240 and 3 phase 240. Isn't household 240 just two 120 phases, making 240V two-phase? If so, wouldn't three phase just be 360v? How, then, is there ...
1
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0answers
21 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 ...
1
vote
0answers
66 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 wrong and 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 correctly. ...
2
votes
1answer
133 views

Why am I getting 60V between the leads of my dryer and the ground?

trouble shooting my dryer, i get 240 across the leads, and 120 from either lead to the neutral... but only 60 from either lead to the ground. is this normal?
6
votes
1answer
3k views

Why did my electric range wiring burn out at the terminal block?

Turned on our 2 year old stove (Whirlpool Gold) and heard fizzing noises, then smelled electrical burning. Went downstairs and shut off the breaker (40 amp). That was the only way to get it to stop ...
0
votes
2answers
131 views

Can I use a normal 240v weatherproof on/off switch for an electric fence cut out?

A normal mains switch can be much cheaper and you could have a light to show when its on
1
vote
2answers
214 views

How should I install a thermostat for a baseboard heater?

How would I go about installing a thermostat for my bedroom's baseboard heater? I've seen lots of articles on how to replace an old thermostat but I'm installing a thermostat for the first time here. ...
4
votes
3answers
2k views

Can I upgrade from a 240V 30A circuit to a 240V 50A circuit?

I have a new range with a NEMA 14-50P plug. I find my 240V receptacle is for a dryer, with the top blade a 90° one. So I need to change the receptacle out. However, I think my range needs 50 Amps, and ...
4
votes
4answers
6k views

Why Do 240V Circuits Not Require Neutral?

Someone told me that a 240V circuit does not require a neutral wire in the cable. Can anyone explain this phenomenon from the electricity perspective and generally explain why circuits do and do not ...
2
votes
1answer
109 views

Why must I hold the start button for my dryer to work?

I moved into an apartment with an old dryer that had issues starting and getting the clothes very hot. I had to hold the start button in and the dryer would "ramp up" before it would start. Anyway, I ...
2
votes
3answers
162 views

Why can't I measure 240V on this wall heater wiring?

I am replacing a 240V wall heater. I get 120V from black to ground but 0V from black to white and 0V from ground to white. Is this correct? The old heater worked but not really well. There was a ...
4
votes
1answer
279 views

How do I wire this 30A 250V straight blade pass and seymour receptacle?

This is the receptacle I'm trying to wire. The ground says green next to it, but the other two wire inputs don't say anything. I need to know which is positive and negative. there is no + or - the ...
1
vote
5answers
722 views

Can a NEMA 6-15 Device be connected to a NEMA 6-20 receptacle?

I have a new -80 deep freezer that calls for NEMA 6-15R receptacle, but the old one it is replacing called for a NEMA 6-20. I note that the plug actually seems to fit in the 6-20, but is there a ...
5
votes
2answers
2k views

How can I connect a 120V washer to a 240V circuit?

So we got a new washing machine to go in a house built in the late 50s. When the appliance installer came to deliver the appliance, we ran into a snag with connecting the washer...the washer appears ...
3
votes
1answer
222 views

How difficult would it be to replace these fuses with circuit breakers?

I had a fuse blow last night. While the short-term plan is just to replace the fuse wire, in the longer term I'd like to switch them out for circuit breakers for the added safety but mostly for the ...
4
votes
2answers
695 views

How can I safely remove an outlet from service?

I have an unwanted 240v outlet in my hallway, on the same circuit as my sewer pump. I pulled the cover and the box is an old work type. I noticed a junction box in this area of my crawlspace, so I ...
3
votes
1answer
205 views

Can I wire a secondary 240V breaker box for lab equipment from Europe?

I have a dental lab in Europe and might want to move it to the USA. Some of the equipment rates as high as 4kW, and the the total maximum draw is 15kW for the whole lab. Can I wire a secondary breaker ...
8
votes
2answers
2k views

What are my options for installing 240v receptacles in an attached garage?

My workshop (attached garage) is currently wired with 120V receptacles fed from the main panel in the house by #10/3 with ground (1 black, 1 red, 1 white, 1 ground) attached to a double-pole 30A ...
2
votes
4answers
11k views

Can I share a 240V outlet between two devices?

I have a single 50 amp 240 volt outlet. However, I've been using both my dryer and a welder on this same outlet, both have 3-prong (10-50P) plugs. It can be difficult to plug and unplug cords from ...
1
vote
2answers
912 views

Jury-Rigged Modification of 120v Circuit to 240v Circuit Using Steel-Armor of BX Cable as Neutral/Ground… [closed]

My house was constructed in 1980 in the City of New York. About twenty-five years ago, I installed a new 29,200 BTU Carrier A/C through the wall of the house. The unit was rated at 208v, drawing ...
7
votes
3answers
1k views

How should I go about fixing a faulty 240 V Electrical Outlet

This afternoon, my wife and I noticed a peculiar smell coming from the garage. We localized it to a faulty 3-wire 240 V outlet. Something got really hot resulting in part of the rubber melting on ...
3
votes
2answers
1k views

Trying to wire a 240v line-voltage thermostat

I am trying to replace my old 240v line-voltage thermostat with a modern version. The problem is that after wiring the new version in like the old it doesn't work. I have (2) 12-2 wires coming out of ...
4
votes
4answers
2k views

How can I upgrade a 3 wire appliance receptacle to a 4 wire receptacle?

I have a cabin, wired for 220 and even has a sub-breaker near the outlet. There are 3 wires to the connector (two hots and the neutral). The range-top that I want to hook up is a 4-wire model (2 ...
7
votes
1answer
45k views

What wire gauge should I use with a 30 amp breaker for a 220V welder?

I am installing an outlet in my garage for a 220v mig welder. The welder specs call for 30A breaker. The outlet for the welder is only 2 feet from the garage sub panel. The wiring refernece charts ...