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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2
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1answer
48 views

Should I replace an old breaker or add a new one?

Our old circuit breaker for our water heater seems to be at the end of its life. However, the breaker also controls our well system, and the breaker is only 20 amps. Is it okay for us to just replace ...
2
votes
3answers
258 views

Can I replace the main breaker in an electrical panel with a smaller one?

I have an older 60amp fuse box in a rental property that is wired as a sub panel off my main 100amp service. I would like to upgrade to a new circuit breaker panel so tenants can not pull out the ...
2
votes
2answers
83 views

Testing circuit breakers?

I have a panel of type XO circuit breakers in my house. One of them has failed closed (!) and I need to replace it. However, a few minutes on Google seems to indicate that this type of breaker is no ...
2
votes
1answer
393 views

How do I recognize which socket cover (fused or 3-pin) connects to which outlet?

I have two power outlets in this room, one is a normal 3-pin (UK) plate cover and the other is a fused (switched) plate cover (much like the one below). I've know removed them and wish to put them ...
2
votes
1answer
100 views

How can I add arc-fault protection to circuits in this panel?

In my sub-panel that services the home I have 4 separate 20 amp circuit breakers all strapped together to trip all if one trips. On these individual circuits are the garbage disposal, clothes ...
2
votes
1answer
101 views

Is it possible to fry a lamp's internal wiring if I put the wrong bulb in?

I went to the hardware store pulled a bunch of LED bulbs off the shelf. One of the bulbs found its way into the wrong box and had a significantly smaller screw base than your typical light bulb base. ...
2
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2answers
219 views

Do I have to run new wire when replacing my electric oven?

I bought a new single electric wall oven to replace an old one in an old house. It says it requires 20 amp and 240 volts. The old one was running on a 10 amp breaker. The wire from the breaker to oven ...
2
votes
1answer
446 views

20amp breaker trips with NO load…Continuity between black & white wire at electrical box

I have a 20 amp breaker that connects to one wall in my kitchen. It operates 3 outlets, a microwave and two other outlets used for a toaster oven & the last a blender. On the blender outlet ...
2
votes
2answers
645 views

Can a laptop cause an AFCI to trip?

just stumbled onto this site and crossing my fingers that someone will be able to help. My problem is the tripping of an AFCI every 3/5 weeks when a 2nd TV is turned on. Sometimes soon afterwards, ...
2
votes
2answers
123 views

Curcuit breaker not accesible

My dryer stopped working and I found out that the circuit breaker (fuse) had burnt out. I measured the voltage in the socket and it's none. I live in an older house in USA and the cable is inside the ...
2
votes
1answer
252 views

Is my water heater connected to GFCI and is it affected after short circuit?

I am an absolute n00b when it comes to home electrical systems. Please do forgive me if this is a repeat question since I wouldn't know what to search for. I am in France and I have 230V supply at ...
2
votes
1answer
101 views

How can I determine if there is any damage to the conductors of a circuit?

I recently went to replace a couple 3 way switches and, I am ashamed to admit, did not do my due diligence when wiring up. The new switches were a different style and the wiring configuration was ...
2
votes
2answers
4k views

How do I connect a timer to circuit box which controls our outside lights?

Currently our outdoor lights are being controlled by the circuit breaker in the box. We want to connect a timer to the circuit-breaker. There is a junction box with Black, White and a bare ground ...
2
votes
1answer
404 views

Why does half the house go out when a single breaker trips?

The breaker box at my brother's house is well marked and balanced except when a breaker is tripped half the house goes out. I'm currently living on the third floor of his house. When I turned on a ...
2
votes
1answer
111 views

New install: What's causing a tripping arc fault breaker?

We remodeled our home and had all new electrical put it in to plan. For rough-in, the electrician put in regular breakers instead of arc fault breakers. Arc fault breakers are required by code now ...
2
votes
2answers
695 views

Use of combination CAFCI and GFCI breakers instead of recepticles

I am about to begin a project that will include one or two new circuit for outdoor lights and receptacles attached to the main building. I will probably installing a new home run line from the panel ...
2
votes
0answers
235 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 ...
1
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3answers
64 views

Circuit Breaker change

I am changing a Federal Pacific Electric Co. Circuit Breaker double 40amps but I can't find one. Can I use a double 50? It's for a wall oven?
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3answers
14k views

What did I do wrong??! Wiring error is tripping circuit breaker

Here's the scoop: There are 3 switches in my hallway. One switch on side A and two switches on side B. Side A switch controls same light as one switch on Side B. I replaced the switch on Side A ...
1
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2answers
4k 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: ...
1
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2answers
334 views

Power Strip/Extension Cord on TV stand

I have a question. I have a TV stand with a capacity of 80 lb., and on it a TV that weighs ~50lb. On the wall directly behind my TV, I have two electrical outlets. On the floor, I have a surge ...
1
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2answers
43 views

Light sconces tripping circuit breaker

I recently installed two sconces in our kitchen to replace some old halogen lights with LED bulbs. The boxes had three (?!) White wires twisted together, two black wires twisted, and one red. I ...
1
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2answers
195 views

Oven suddenly tripping circuit breaker…bad oven or bad breaker?

We have a double Thermador oven in our house. We've owned the house for around two years, and the oven has worked fine up until the last few weeks. Now, using either of the ovens trips the circuit ...
1
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1answer
53 views

Identify fuse that is off/bad but not tripped

I have a set of outlets and an overhead light in the garage that are not powered. I believe I know the fuse they are under via simple labels and from some process of elimination. The fuse is not ...
1
vote
1answer
223 views

How do I replace a GFCI breaker with a normal breaker?

I have a breaker on my panel that has 2 white wires and one black and a test button. I am changing to a breaker that has no white wires going to it just the black. Do I put both white wires to the bar ...
1
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2answers
514 views

How can I remove a stuck circuit breaker from the panel?

I went to replace my circuit breaker for my dryer because the dryer kept shutting off. I started checking around and discovered when you jiggle the breaker a little the dryer light flicker. I ...
1
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2answers
6k views

Wiring diagram to split one circuit for ceiling lights in multiple rooms?

I would like to replace some Knob & Tube wiring in my attic. Currently, the ceiling lights in most of our rooms are all on a single circuit and are branched using many knob & tube soldered ...
1
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1answer
170 views

Is it safe to replace a GFCI breaker with an arc fault breaker?

We recently had our electrical panel replaced/upgraded and I noticed that our GFCI breaker was replaced with an Arc Fault breaker. Is that safe? Are GFCI breakers obsolete now?
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3answers
1k views

Why does this switch throw the breaker when turned on?

I volunteered to help a friend with an electrical problem she was having - two of the receptacles in her bedroom did not work. All the receptacles that I looked at had two black wires and two white ...
1
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1answer
23 views

HVAC tripping breaker - things to check before replacing?

HVAC system (we're in Houston, it's still hot here) stopped working Tuesday. A/C guy came out, determined it was tripping breaker. Would trip immediately after resetting, but after a couple of ...
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2answers
265 views

Got a used Electric oven - not sure what wire and breaker to use

We just got a used electric oven. We had propane, but no longer have access to propane. Currently there is only a standard wall outlet behind the oven. I realize I need to run a new wire, etc., but ...
1
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3answers
341 views

2 15 amp breakers to 1 30 amp

I have a wired garage that has 3 wire 10 gauge going in to it. In the panel this wire is hooked up to 2 individual 15 amp breakers. I want to know if i can put in a 30 amp breaker in that spot. The ...
1
vote
1answer
58 views

Remove power spike when restoring power

I've been experiencing interesting problem recently. When the power goes down, there is roughly 50:50 chance that a circuitbreaker for my plugs trips after the power comes back on. Flipping it back ...
1
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2answers
284 views

Low voltage under load from main line

I have two main hot lines coming into my circuit breaker. One has a steady voltage of ~124 load or no load. The other has some mysterious problem. Sometimes it works fine delivering proper voltage ...
1
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1answer
129 views

Can you wire a 30A 2P standard circuit breaker “downstream” from a 60A GFCI 2p circuit breaker?

Will this still provide GFCI protection? Is this against code? Does this represent a hazard? I have a subpanel with a 60A GFCI circuit breaker, that I want to use that to feed to 2 30a 240v ...
1
vote
1answer
230 views

Can I install tandem breakers in this panel, and would one 20 ampere circuit be enough for a garage?

I'm a home owner searching for information before hiring an electrician to come and do work on my home. What I want: Have a separate breaker\s to service a single car garage. 3 receptacles each ...
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4answers
16k views

How many lights can be on one breaker?

How many lights can be run from one breaker I would like to add two two tube fluorescent lights to a string of lights I have already.
1
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4answers
5k views

What would cause an AFCI breaker to trip under no load?

I have an AFCI Breaker that trips with 0 load - nothing plugged in, no lights on. To test that power is getting to the room, I turn on the overhead CFL lights (very light load) and flip the breaker. ...
1
vote
1answer
39 views

What areas of a home are required to be AFCI protected?

I've got a Crouse Hinds panel with the majority of the breakers being of the ridiculous side connecting type. The panel and breakers are old and beginning to arc due to the lose connection. I've found ...
1
vote
1answer
54 views

Circuit Breaker installation

Why is it so difficult to put a circuit breaker in? I push the plastic part in but the steel contact does not go in. I broke a single 20 amp...any tricks?
1
vote
1answer
52 views

How can I replace circuit breakers with GFCI breakers when it is a multiwire branch circuit?

We have 2 carriage lights on our patio and 3 flood lights on our eves. The carriage lights are controlled by two 3-way switches and the yard lights are controlled by another set of two 3-way light ...
1
vote
1answer
373 views

GFCI Breaker - not tripped = outlets work, turn light switch on breaker trips, lights work but outlets do not

I had a kitchen remodel that went a bit bad with a contractor and his minions. The house was build in 1934 so has a two wire system with a 100A panel. As we remodel we are replacing 2 wire system ...
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2answers
229 views

Breaker box one 120 slot left but need one for a second 220 or 240 breaker.

My breaker box has only one breaker slot left for a 120 v breaker. I want to ad a 2nd 220 or 240 breaker to a new outlet to plug a heater into for my basement workshop. Is there any way I can do this ...
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vote
2answers
229 views

Why use AFCI receptacles rather than AFCI breakers?

Is there any reason to use an AFCI receptacle rather than replacing the breaker with an AFCI type? It seems that providing protection on the whole circuit makes much more sense than to just one ...
1
vote
1answer
5k views

What to look at first when when circut breaker that fridge is on is tripping?

I have a house where the circuit breaker has tripped a few time over the last several days. It flipped one evening, we flipped it back and was ok for a couple days. We went away for the weekend and ...
1
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1answer
4k views

Can you put a small breaker panel after a 30 amp breaker from main panel in the house?

Looking to run lights in my garage. If I put a 30 amp breaker in my main panel on a 10 wire to a small breaker panel in my garage, can I put 2-4 15 amp breakers out there for the lights? Likewise, ...
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2answers
3k views

Why is my fuse board buzzing when I'm using the shower?

I have used an electric shower for years no problems, but all of a sudden my fuse board started buzzing when I use the shower. I replaced the shower with the same size unit and it still makes a ...
1
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1answer
41 views

How Do I Connect 00 AWG Wire to a 100A breaker?

I'm hooking a 100A service panel to my meter pan. There is the 100A disconnect panel on the right side that feeds the little house, I'm installing another panel on the left side to service my barn, an ...
1
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1answer
41 views

Is there any advantage of one of these types of switches over the other?

Shown in the photos below are two different 2-pole breaker switches in my circuit box. In order to turn the 15 amp switch on and off it must be pushed along a longer section of the breaker than the 20 ...
1
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1answer
47 views

Is my breaker box aluminum compatible?

I have been advise to convert old aluminum branch wiring with AlumiConn connectors and maybe also in the breaker box, unless the circuit breaker is AL & CO compatible. How do I determine this? Can ...