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Questions tagged [voltage]

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4answers
53 views

Can I infer the amperage rating of an electrical panel from the pump motor rating?

Replacing a sewage pump for a building Existing panel is Challenger Electric J94 Company discontinued so unable to find amperage I know the Voltage-Motor Horsepower rating information. What is the ...
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2answers
52 views

52 volts on my cable demarc (House Side) to ground

The cable company demarc coax was burned and melted. New cable installed. Said the problem was bad house wiring. I checked all the plugs and all the lighting in the house. Found no real problem. Then ...
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3answers
66 views

Confusion while diagnosing an open ground

I have an outlet tester and it says the outlet in my bathroom has an open ground and I'm trying to see if I can fix this by replacing the receptacle or if the problem is elsewhere. With a voltage ...
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1answer
83 views

Voltage drop in receptacle circuit - options?

This is new construction...concerned about voltage drop. The house is a ranch style.I am installing a breaker panel in my garage. I am currently running the wiring (12-2) on a 20 amp breaker for the ...
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2answers
72 views

If you got 120 volts of current on each leg of a 50amp breaker but only 25v on each wire going into the stove outlet ,what could be the problem?

If you got 120 volts of current on each leg of a 50amp breaker but only 25v on each wire going into the oven outlet what could be the problem?
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1answer
37 views

Problem with stair switching for light (3 way)

I just did an electrical survey of my house receptacles and fixtures. All voltages are around 119.5V except one. On the light that is controlled by 2 switches (ie on 2 different levels of the house) ...
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4answers
65 views

Would a transformer protect a 24V digital flow meter if it received 48V?

I purchased a new water softener for the house. It has a digital flow metering device. It worked great for a few days and then stopped working. Long story short, I finally figured out that the outlet ...
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1answer
73 views

How can I tell if this appliance, a kiln, is using 208V single phase or three phase?

My kilns have recently stopped firing and it need new elements. I have to buy elements for specific voltage/phase combination. I didn't install the kilns - it was done by my studio mate before they ...
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1answer
367 views

How to wire L1, L2, n1, n2 and pe wires to install 220v-240v stove?

I'm trying to install a stove but I'm stuck on the wiring. There's an l1, l2, n1, n2 and pe wire sticking out of the wall. The stove has four attachment points for the wires. I don't know how to ...
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2answers
62 views

Voltage in incomplete circuit

This might be better asked over on electrical engineering, but it concerns household voltage and I know we have a some smart electricians on this site, so maybe one of you might be able to shed some ...
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2answers
80 views

Can I step down a NEMA L15-30R 90A 250v outlet to 110v?

I just moved into a high-rise condo and on my patio I have an outlet labeled NEMA L15-30-R 90A 250V 30 and I'm trying to figure out what I can do with it. I think the intended to be used for the ...
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2answers
144 views

What is an open ground and why would the neutral wire measure 50v?

What is an open ground? Also, why would there be 50 V in the neutral and ground wires? I have replaced all outlets and switches and still I have no light.