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-1 votes

Irregular voltage read on 240VAC 1ph Residential

In order to draw any conclusions, another measurement with low input impedance is helpful. Most likely a switched or broken neutral/ground is involved here, but: To test AC- circuits - especially ...
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2 votes

Does the NEC recommend metal or plastic boxes for 240V?

Metal can contain arcing much better than plastic. Plus if a hot wire gets loose and touches the box it is an immediate short and breaker trip, where in a plastic box it would be lurking, waiting to ...
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3 votes

Does the NEC recommend metal or plastic boxes for 240V?

The NEC doesn't care what material, so long as it's a listed and approved junction box, of an appropriate size for the number and gauge of wires and other items that count towards "box fill" ...
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3 votes

Does the NEC recommend metal or plastic boxes for 240V?

Depends what your needs are. From a practical standpoint, the purpose of a junction box is to contain any arcing that might occur. It doesn't matter if it's metal or plastic. Metal's big advantage is ...
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1 vote

Can I split a single 2500 watt baseboard heater into 2 smaller heaters?

The answer should be yes NEC 220.51 in this case there is not enough diversity in the load electric heat in this case so it is continuous and 1920w max on a 20 a 120v circuit. fixed space heating is ...
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4 votes
Accepted

Can I split a single 2500 watt baseboard heater into 2 smaller heaters?

Your plan will work. You'll need to pigtail to the first heater and continue the 240V run to the next heater. NB cable can be run in the walls and individual wires in conduit. Check codes to see if ...
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1 vote

Can a 120V circuit share conduit with 240V circuit?

You cannot put low voltage wires in the same conduit as AC power. Conduit is cheap, lay two. You CAN have multiple circuits in a conduit. The only gotcha is if you do, you may have to "derate&...
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1 vote

How to wire this 4-wire range terminal block with pin style connectors?

Not an expert, but to answer my own question, from my research, it looks like I could just use a ferrule, heat shrink ssleeve and a crimper to make similar connection. On the other hand, according to ...
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1 vote
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Is it possible to add a retorfit ground wire to a (3-wire) Type SE, Style U cable from another branch?

Yes, retrofitting a ground is fine if you're not extending the circuit to a new location. Take care that the new ground wire does not contact the existing neutral, you might want to "make it an ...
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1 vote
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Help Identify 3-wire SE cable

The bare wire is a neutral What you have is a Type SE, Style U cable. These always consist of two insulated wires surrounded by an uninsulated braided metal wrap (like the shield on a data cable, ...
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17 votes

I’m trying to make a 220V power cord

What Ed Beal says, but let me backfill some details. Here is our cast of characters. If you're confused about neutral and ground, perhaps it's the welder has a NEMA 10 connector. (Hot hot neutral). ...
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10 votes

I’m trying to make a 220V power cord

Ok, your plasma cutter is 220, well I will update you and say 240 as some like the modern voltage standards. So you can use a 3 conductor cord, 2 current carrying conductors and the ground. As someone ...
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