For questions generally relating to safety devices used to automatically stop the flow of electric current in the event of a fault condition.

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4
votes
4answers
370 views

Different circuit breakers keep tripping, some not re-setting

Background: South Carolina house built in 2009, assume all electrical systems, main panel and circuit breakers new at that time. I moved into the house in May having transferred from the UK. I brought ...
1
vote
4answers
193 views

Why would a central vacuum breaker trip once every time I used it?

This will be a hard one to find out. I have a central vacuum Drain Vac 2G20028-c , 12.5 amp at 120 volts. It has a mini 15 amp breaker on the unit. The power going to the vacuum is on a normal square ...
0
votes
3answers
51 views

What breaker size for box containing two GFCI circuits?

What should the main panel breaker size be to control a 60amp GFCI for a hot tub and a 15amp GFCI outlet. The gfci's are mounted in a box that will be wired to the main panel.
3
votes
1answer
277 views

How do I troubleshoot a newly installed non-working outlet?

I recently spent several frustrating hours trying to figure out why an outlet on a new branch circuit would not power a load even though there was proper polarity at the outlet, my non-contact voltage ...
2
votes
1answer
56 views

Device keeps tripping AFCI device

I have a BedJet device that I run at night that keeps tripping the ARC-fault breaker in my bedroom after about 30 minutes of running nearly 70% of time (other times it works just fine). I have tried ...
1
vote
1answer
59 views

circuit breaker trips

I have a breaker that keeps tripping even when no load is on it. I have already replaced the breaker with new, replaced a ground fault outlet and a dimmer switch ( all on circuit), and same thing ...
0
votes
1answer
48 views

Dead circuits with breakers across from each other

I have 4 dead circuits which were intermittent off/on at first- now dead. The 20 amp dual tandem breakers are across from each other in the breaker box. The breakers/circuits above and below the ...
0
votes
1answer
153 views

Whirlpool washing machine won't start, need help replacing fuse

My Whirlpool washing machine died today. The control panel lights are unresponsive, so it looks like there's a problem with its electricals. The socket works, and the troubleshooting manual mentions ...
2
votes
0answers
27 views

Maximum breaker on NMD7 8/3 wire?

My mother in law recently replaced her 4 burner Frigidaire range and is often popping her breaker when she is cooking for a large party - ie 4 burners going and oven. I checked the specs for the ...
1
vote
0answers
46 views

Tankless water heater - Electric issue

I have a AuqaPower Tankless water heater I installed myself 2 years ago. I used the old wire from old (tank) water heater and I ran a new wire for the 2nd place. It has worked great for 2 years and ...
1
vote
0answers
58 views

How do I add a bell transformer to THIS consumer unit

I'm trying to add in a bell transformer to my existing Hager consumer unit. It's from about 1995. I live in England. The first image below shows the front cover, with five spare ways and their ...
1
vote
0answers
295 views

30amp power cord to 20amp breaker?

I am converting a cargo trailer into a camping trailer, including wiring it to have power from and RV hookup. The most common RV hookup is a 30amp. Since i don't really need the 30amp power, my plan ...
1
vote
0answers
89 views

How to know that new appliance won't trip the circuit?

I'm buying new appliances and want to make sure I won't trip the circuit. MW/convection is 950 W, 1750 W and 900W for three different functions. There is 20 Amp circuit for that. the new stove ...
1
vote
0answers
758 views

Why do I have a 3 wire/double pole breaker for kitchen receptacle?

I am switching my kitchen receptacle to a GFI; it has 3 wires. I'm pretty sure I have to break the bar between the two hot screws, thus making the top and bottom on a separate circuit. What is the ...
0
votes
0answers
11 views

Eubanks 9 SEER air conditioning max circuit breaker size

Can a 50 amp breaker be used with a Eubanks 9 SEER air conditioning unit. We cannot read the plaque information. I bought the property and that is what is currently installed. It's an older unit ...
0
votes
0answers
133 views

how to wire a 220v 110v transformer at the circuit breaker

does some have a diagram that shows how to wire a 220->110v transformer at the main circuit breaker.. i have a wire ready with 220 and a another ready to receive 110v .. the 220v ready wire has has ...
0
votes
0answers
90 views

I am having problems with my circuit breakers. can you help?

When I shut one breaker off all the power shuts off to 5 other breakers. What could that be?
0
votes
0answers
64 views

wiring my mobile home breaker panel

Someone had broke in and stole my 200 amp breaker panel by cutting the wires how do i know what the wires go to after entering the ceiling also there is no writing on these wires to tell me what ...
0
votes
0answers
58 views

Breaker for compressor tripping when a/c reaching stage 2

My breaker for the compressor is tripping when my a/c is switching to stage2 in very hot weather. Is there anyone who can give me the steps to troubleshoot this issue?
0
votes
0answers
56 views

Can I install a 150A breaker if the the outdoor MCCB is 100 A?

I have a villa, which is 375m2. On the boundary wall of the villa I have a molded case circuit breaker (MCCB) rated for 100A. I need to install a main distribution panel (MDP) inside the villa. The ...
0
votes
0answers
78 views

No power to lights or receptacles yet meter shows 120 volts at breaker - 2 separate wires

Outlets and lights are not working from 2 separate wires coming out of my breaker box. Both main wires coming into the box show 120 volts each and the 15 amp breakers read 120 volts where the wires ...
0
votes
0answers
67 views

Single pole circuit breaker won't close unless double pole above it is closed

I was trying to find out where a trip was in my house and turned off a double-pole breaker then a single-pole breaker. Went in reverse order to turn single-pole back on and it would trip back open ...
0
votes
0answers
322 views

Why is my bathroom vent fan tripping the GFCI when being shut off?

I have a GFCI tripping when a vent fan is being shut off. I saw in KeithS's answer to a similar question that the blades rotating after shut off causes an imbalance, tripping the GFCI. In my case the ...
0
votes
0answers
115 views

Terrarium electric board

[hope this isn't off topic for this board] I'm doing a DIY electric board for my terrarium: in case something goes wrong at least the whole electric circuit won't switch off. My current setup is a ...