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Questions tagged [electrical]

Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so providing your location in your question or your profile helps ensure you get answers that are relevant to you. Posting photographs of wiring junctions or drawing a wiring diagram and posting it is also highly recommended.

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9 views

Internet random disconnects when fan switch is turned on/off

Hi Saviors on the internet, Recently, I have been having this issue within my apartment is that when I turn on/off my fan there will be a power surge within my house and sometimes causes my internet ...
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4answers
1k views

Splitting bath wiring circuit

I am looking to run a new 15amp circuit to my bathroom and want to split it in attic so one sub-circuit goes to exhaust fan and another to lamp. First, does this circuit look correct? One logistical ...
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3answers
52 views

Can I plug a washing machine requiring a 15A breaker into a 20A outlet?

I am removing an old Asko washer that plugs into single outlet 20 amp box. The new Samsung washer requires "AC 120 V / 60 Hz / 15 AMP fuse or circuit breaker." Can I safely replace the 20 amp ...
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0answers
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I removed the rear panel of my oven and the cladding is burned

i have a similar issue with my oven, I just replaced the fan element and also discovered black burn/scorched areas on the insulation cladding. Is this a worry or normal? Oven is about 15 years old.
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1answer
442 views

Strange outlet behavior

I am going to be updating electrical outlets in my house, so today I checked them all with the 3 lamp tester. Only a few are properly grounded and others not. One outlet is showing strange behavior. ...
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1answer
33 views

installing “second” 100 amp breaker inside existing 200 amp residential panel for new detach garage

I'm planning to build a new detached garage. My question is can I add a "second" 100 amp breaker to my existing 200 amp square "D" residential panel box? The existing 100 amp breaker goes to my quest ...
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1answer
512 views

Wiring 100 Amp subpanel

I know this subject seems to be debated to no end but I have a few questions/comments. My main service panel is in my attached garage and I want to add a 100 amp subpanel about a foot or 2 to the ...
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2answers
1k views

which wires to connect when installing a dimmer switch?

I have a new dimmer switch that to replace an old standard light switch. The old switch has 4 cables coming into it as in the picture. and the new one purchased from amazon is Lutron GL-600H-DK. It ...
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2answers
61 views

Purchased 1980 home, exterior outlet not working

Story: purchased a home built in 1980. One of the exterior outlets was missing. As in, just exposed wiring (ground, white, black). I installed a new receptacle but it doesn't work. Theres an ...
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2answers
42 views

IBT and whole house transfer switch

The inter-system bonding termination (IBT) is where other services like telephone and cable TV get their ground bonds from the house's grounding electrode system (ground rods). 2014 NEC (NJ) 250.94 ...
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2answers
68 views

Wiring new lights with 2 sets of wires

I'm installing 3 light pendants above my island. They are connected to a single pole light switch. I installed 2 of the 3 and noticed the junction boxes for both have 2 black, 2 white, and 2 ground ...
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2answers
29 views

Extending or increasing volume of a quiet doorbell [on hold]

I have an old analog doorbell - there is a button for my apartment outside, and two wires come to where the chime is. When someone presses the button, a solenoid pulls back a little metal thingy with ...
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3answers
66 views

Can I add an additional outlet using an existing outlet that has no ground wire?

I am looking to add new receptacles (15A) behind my TV by running a 12/2 romex (20A circuit/breaker) from a nearby existing receptacles (15A). The problem is, the existing receptacle has no ground ...
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1answer
33 views

Can I replace a 4 wire ballast with a 5 wire one?

Can I replace a 4 wire ballast with a 5 wire one? The new ballast has an extra blue wire.
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2answers
509 views

Installing a “key cylinder” to open and close the garage door

I have a Chamberlain LiftMaster Professional Garage Door opener (June 2007) with a wireless keypad to open the door but does not open consistently in cold weather. I would like to install a hardwired "...
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2answers
60 views

Where should I connect my ceiling fan's blue wire?

I want to install a new fan and light assembly. I removed the old one, which on the wall is a hard wired 2 switch, one for the fan and one for the lights. Coming out of the ceiling is a white, black ...
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3answers
52 views

What do I make of this wiring?

I am trying to replace a toilet pull cord switch. Wiring seems unusual in the sense that there are: 2x brown wires 1x brown wire that is live and by itself 1x yellow/green earth no blue wires ...
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2answers
50 views

Smart switch wiring

I’m swapping out a single light switch for a smart switch. The wiring from the gang is a single cable with red, black, ground, white. The neutral wire was unused in the original switch. The smart ...
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2answers
50 views

How to calculate wattage used in a solar panel set-up

I want to run an electronic that uses 300 watts @ 5-10 amps via solar panel's on my rv. I've got (2) 6 volt batteries set up in a series so it is 12 volts. Here are the stats for one battery (so I ...
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0answers
17 views

light and ceiling fan wiring diagram

i have a patio cover, i want to wiring 2 light and a fan with light (one light on each side of ceiling fan, so the fan will be in the center). i want two 3 ways switch to control all the lights, one ...
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1answer
31 views

Installed dimmer switch caused another switch to stop working

I installed a dimmer in my bedroom today and I just realised that the dimmer in my mom's room and in the corridor is not working anymore... Followed standard procedure : Breaker off, changed the old ...
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0answers
29 views

URD Service entrance cable for tankless hot water heater

I'm planning on running 2-2-4 URD service cable to a tankless hot water heater. It's a long story, but I have to run from an outside load center underground and through the subfloor of a building ...
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3answers
8k views

Who to call to fix electric oven?

My electric oven stopped heating. The range works fine. The digital controls work fine. The oven light works fine. But neither the element at the bottom of the oven nor the one at the top heat up at ...
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2answers
33 views

NM cable from wall box to dishwaster

I need to connect my dishwasher to an electrical box in the wall under the sink but it is recessed so the cable must come out through the front plate and not side knockouts. Out of the same box will ...
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2answers
81 views

Exterior outlet not working

I have had a problem with 3 rooms and a bathroom all on one breaker. I originally thought I would need to split the circuit, but then decided to check the breaker first in case there were 2 wires ...
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2answers
5k views

Is a conduit required or recommended when running SER wire in unfinished space?

I'm planning on installing a 100amp sub panel in the garage. The garage is right around the corner from the main load center in the basement, but part for that path goes through the stairway from the ...
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2answers
66 views

3 wire existing feed, not connected to main panel. Do I bond ground and neutral

I have a detached garage that has a 3 wire feed, powered from a separate 100amp disconnect from the main panel. Originally the old box had the ground and neutrals together on the same bar. I ...
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1answer
70 views

Fix issue with 2 independent lights on single source

I inherited an electrical conundrum. In particular, two hallway lights on the main floor and upstairs, sharing a circuit and each independently controlled by two switches, both on the main floor. ...
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3answers
673 views

Parents cable box caught fire, hour later half the house is out of power?

So, My dad was working on a leaking sink in a bathroom and my mom yells there is a fire. Their cable box caught fire, they put the fire out without a problem and mom called the cable company. While ...
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1answer
56 views

Wiring generator to shed panel

I purchased a pre wired shed that has a small panel in it. The panel itself has a single bus bar for neutral and ground, and two hot rails. Currently all the circuits in the shed have ground and ...
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4answers
122 views

Are individual electric heaters more efficient to operate than an electric boiler?

(Edited to provide additional info) My wife is looking to buy an old house (I'm guessing 19th century) that'll need a lot of renovating, including the heating system. Renovation works will include (...
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1answer
95 views

Why don't my devices have power after separating one room's wiring?

I’m rewiring an upstairs room so it is separate from the other three rooms and found two wires which are both black and separated from each other. One is hot and the other is not. After tracing it ...
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3answers
67 views

Much higher energy use, maybe due to an old electrical heater?

We had an 100% increase of power consumption last and this year. It is mostly the night-tariff, which we now consume 27'000 kWh The day-tariff is only around 2'500 kWh. First we thought this may be ...
2
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1answer
60 views

Newly installed Metal Electrical Panel door will not open easily?

I just had a new metal entry box installed on the exterior of my home. I am unable to open the metal door, even with a tool. Not sure what the problem is however if the door was installed and not ...
3
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1answer
220 views

What are the rules for making your own conduit KOs in nonmetallic junction boxes?

Some North American electrical boxes (usually nonmetallic ones) lack conduit knockouts, as they are designed solely to clamp NM cable. Unfortunately, some devices (the RIB series of enclosed, UL ...
37
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10answers
53k views

Should old knob and tube wiring be replaced?

I have been doing some electrical work in my house and I noticed it has old knob and tube wiring that is still hot, should this be replaced as found or is it fine to just leave it? It seems really ...
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1answer
69 views

Running a dryer outlet to garage

Planning to Run a dryer outlet from outside service panel along the exterior wall approx 45 feet before entering the garage. What will be the correct size wire and conduit type to use?
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1answer
178 views

Loadcenter relocation — how should I handle the resulting “trunk” of conductors, short of rewiring the house?

Background So, I've been considering my options for fixing the known major Code violation in the house I have in SW Missouri, namely that the house's only loadcenter was placed in the second floor ...
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3answers
101 views

Doorbell transformer location problem

I need to find my doorbell transformer in order to change it for a more powerfull one (ring pro doorbell). I have opened the chime and i can see the transformer wire going in my basement, i did follow ...
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2answers
87 views

Why don't we just use combination AFCI/GFCI breakers for every circuit in a home?

With pretty much every circuit in a home needing one of the two types of protection (AFCI or GFCI), why don't all new homes have combination breakers installed just to be safe? Would it hurt anything ...
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5answers
104 views

How can I fix the electrical hookup on my new electric oven?

I just got a brand new electric oven and I'm having some trouble connecting it myself. It's a conduit installation, so the delivery service wouldn't touch it. I got everything working on the first try,...
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4answers
139 views

Critique my plan for circuits

New addition to house is 576 square feet total - master bedroom, bathroom, walk in closet, house entry foyer, and porch. Here's my plan. 15amp dedicated circuit for fire alarm 20amp dedicated ...
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1answer
58 views

outdoor receptacle-not GFCI

We have an outdoor receptacle, under an enclosure and with flaps that drop down over the plug area, but not GFCI. We would like to use it for a light sensor timer, with 3-outlet powerblock. Is this ...
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2answers
91 views

Acceptable voltage between earth, Line,Neutral - Single Phase

I have a 240V+-10V 2 Wire Single Phase (UK) supply with TT earth bonding (earth rod). The breakers are double pole. The issue is with a lighting radial circuit. This is a new electrical ...
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3answers
67 views

Does a ground wire to a receptacle box improve safety if appliance only has 2 prongs?

If an outlet will only ever have 2 prong devices plugged in is there any safety purpose to have a ground wire added.
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2answers
33 views

I'm replacing a single pole switch with a dimmer

I've pulled out the single pole switch and there are three black wires, two of which are connected to the same screw and one connected to the screw on the opposite side of the switch. Both screws ...
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0answers
29 views

Where can I buy an inverter charger at a good price? [on hold]

I have a system with 8 6 volts batteries and a modified sine wave 12 volts 750 watts inverter. I want an inverter charger that can handle that can handle a 1 kw water pump when I need to and also 2 ...
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3answers
1k views

Convert GE Load Center to main breaker

I'm looking to add central A/C to my 1970s era home. The electric panel is a GE Load Center, 125 Amp max. It's basically "full" with no space for additional breakers. The bids for the electric panel "...
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2answers
69 views

In my garage can a refrigerator and a separate deep freezer be plugged into the same outlet

Electrical Can a refrigerator and a deep freezer in a garage be plugged into the same outlet