Questions tagged [electrical]

Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so you need to provide your location in your question or profile to 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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30 views

Why are all 8/2 whips 3/4" when 1/2" meets code?

I am preparing to wire up a 7500 W electric heater in my garage. I have obtained a 40A double-pole breaker, and a suitable length of 8/2 Romex to run from my breaker box to the heater junction box ...
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NEC Online Access?

I was wondering if there are any free sources to read the current NEC code online? If there is not a free resource, is there a "go to" that electricians subscribe to? I'm not an electrician, ...
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1answer
30 views

Dog dryer using 2 terminal dryer element [closed]

I wired a 2 terminal dryer heating element using a NEMA 4-30 outlet and a 3-10 cable black white green. It is a dog dryer using a blower (wired separately with 120v) How is that possible? It looks ...
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3answers
47 views

What is the purpose of flanged plugs?

What is the purpose of putting a flange on a plug like this (from yard equipment)? Help me understand. It’s not like it’s waterproof. It seems to me it only serves to keep you from plugging it into a ...
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1answer
27 views

Finding a power strip compatible with a given laptop power brick

I bought a laptop last year (Asus 2021 ROG Zephyrus G14) for which I've had trouble using power strips (in the US). I find that the included power brick's plug often doesn't go all into the socket, ...
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32 views

Do I have to use minimum 14/2awg with single appliance application

I need to run 120v from furnace control board 1amp fused to air quality sensor about 50' in crawlspace (residential). Manual only says to comply with local and federal codes. The sensor draws ....
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32 views

Installing a light with no ground & no accessible outlet box

I'm replacing a light in our bathroom. I unscrewed the old light from the wall and found this: The ground wire for the original light fixture was attached to the metal mount that held the light to ...
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2answers
481 views

Have I Run Too Many Lines In This Box?

In an effort to run the shortest amount of cable, I'm afraid I might have inadvertently run too many cables to the same 3-gang, 44 cubic inch box. A Brief Overview 44 cu inch box 14/2 wire all around ...
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33 views

Flickering lights when appliances drag power

When we moved into our home we had the whole house rewired by a professional electrician, and got some electric appliances. Each appliance is on a dedicated circuit. But the lights are flickering as ...
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2answers
58 views

How big can the LED light in my ceiling fan be?

I'm thinking about buying a ceiling fan that says it allows a medium-base (E26) 6W light bulb. Is that thing seriously wired for only 55 mA of current to the light bulb, or can I put (if such a beast ...
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39 views

Schneider technical assistance global (not country specific)

Background I live in Indonesia. The voltage for residential buildings ranges from 220 V to 230 V, I need help with the installation of the following Schneider products with the corresponding links to ...
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2answers
1k views

What does it mean if the electric is out in a room, but the breaker is not tripped?

Earlier today I noticed a light go out, and of course everything else that was in the room went off as well. I went to the breaker box to check and see if the one for that room had tripped, but it had ...
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3answers
744 views

EV charger wiring - sub-panel requirements

I am looking to add a 30A outlet in my garage for the purpose of charging an EV. My home has 200A service coming through the main panel, and currently there are no sub-panels except one for the ...
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1answer
82 views

Cutting off electric in detached garage

My home comes with a detached garage which is leased out by my landlord to someone else. However the electricity supply is connected to my home. Therefore I am paying for it all. How do I disconnect ...
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3answers
89 views

Can light switches be connected in a series?

I know this works electrically, so it’s more of an NEC question. Can one light switch control power to another? Here’s my use case. My basement (unfinished) consists of 3 rooms. I want the light ...
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1answer
107 views

Insertion of NM electrical cable into plastic boxes

Some installers routinely completely knock out the rectangular flap to create an open rectangle for passage of NM cable into a plastic box. I was under the impression that was to be left attached on ...
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1answer
310 views

Why do my range hood's lights and fan only work properly when there's load elsewhere on the circuit?

We have a Broan Allure III hood range that was installed in 2003. It has a three-level light system and a five-level blower speed. Both are controlled by front mounted push-buttons. It is wired into a ...
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3answers
80 views

Loud buzzing, pop, smoke and odor from oven

I was using my electric oven last night baking something inside it and also using one burner to cook some food. The stove has 5 burners that I could use but I was only using one. While I was standing ...
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1answer
45 views

Seeking Wiring Schematic or owners manual for my 1977 RV 4000 Watt Onan Generator model: 4NH-3CR/12014D

I'm have trouble getting my Onan Generator that I acquired about a year and a half ago to run. It turns over and had an exceptionally weak spark. The coil seemed to be okay and the plugs and wires in ...
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0answers
31 views

Siemens Replacement Parts to Refurbish old ITE EQ Load Center

I am re-wiring some areas of my new home to install new outlets, receptacles, and replace some fun (by fun I mean terrifying & dangerous) wiring that was installed since the house was built in the ...
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1answer
50 views

GFCI Circuit - Open Neutral But Not Tripped

I have a GFCI circuit in my kitchen with two outlets, one GFCI/AFCI and one normal outlet (>6ft from water source). It has worked fine for the 10 months I've owned the house, but suddenly the ...
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0answers
28 views

Repairing heating element and plug for old electric cooktop

I'm repairing an old Thermador TM45-1 electric cooktop (22" by 45" with two 6" burners, two 8" burners, and a griddle in the center). It's in surprisingly good shape except for 1 ...
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2answers
96 views

16 amp 240V compressor on 30A breaker

I’m running a 16A 240V air compressor with 3HP on a 30A rated breaker. Is this safe or should I use a 20 A breaker instead?
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How to add Honeywell wireless thermostat to furnace with "add a wire" installed

I am trying to wire up from an older 4 wire RADIO CT30E thermostat to a smart wireless HONEYWELL RTH9580WF1013 thermostat. A post on the HONEYWELL site - or connected to it - suggested moving the ...
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2answers
2k views

What would cause a microwave oven to trip the breaker when I open the door during heating?

I have a Frigidaire FGMV176NTB range hood microwave oven which was installed new about two years ago. It works fine, but recently started tripping the 15A standard breaker it's on (Siemens c. 1992) ...
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53 views

Kitchen light is causing virtually all other circuits to not work even though they aren’t tripped

I had a fluorescent light fixture in my kitchen that stopped working. I tried replacing the bulbs and they would flicker slightly but never turn on. I decided to replace the fixture altogether with an ...
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1answer
52 views

Running a BLDC Ceiling Fan on an Off Grid DC System

first post here and I'll start by saying my electrical knowledge is limited at best. So I'm building cabin/weekend house and attempting to run the entire house, at least for the time being, on DC. ...
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1answer
66 views

What is the safest way to pigtail aluminum wiring? [duplicate]

I'm looking for a way to remediate the aluminum wiring in a home built in the 1970s. Currently, the whole house is wired with aluminum and the switches/outlets are original and not aluminum rated. ...
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1answer
98 views

What is this air handling unit in my new UK flat?

Friends just moved into a new, modern flat (UK) and this unit was on the wall in one room, permanently wired on. Any help identifying? There's an internal mesh and an external vent, and a label on ...
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3answers
1k views

two breakers energize the same luminaire, what should I do?

I'm working on a friend's house to replace a ceiling light fixture controlled by a wall switch. In the process of trying to figure out which breaker de-energizes the fixture, I've determined that ...
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1answer
60 views

exposed ceiling around ceiling box

A fundamental tenet of electrical wiring safety is that all connections (of AC household wiring, typically 120 or 240v) be enclosed in rated electrical boxes. However, ceiling light fixtures and fans ...
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1answer
40 views

Looking for a combination 400 amp meter socket & (2) 200 Amp Main Breakers

I'm going to erect a power pedestal on my lot that will initially allow me to power my RV (50amp). I will locate this pedestal so that when the barn / shop is built it can be fastened directly to the ...
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2answers
139 views

15 A Circuit - Moderate Load (500W Space Heater) tripping breaker?

I'm trying to troubleshoot an issue that's been happening with one of our circuits in our '87 house (home office). At least twice now, the 15 A circuit breaker has been tripped on our 200 A breaker. ...
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1answer
87 views

Wiring Diagram for Connecting two 100A sub panels to a 200A main panel

I have an outdoor 200A meter/panel combo box (Eaton MBX816B200BTS). Currently, I have 100A going to my house. I would like to add an additional 100A circuit at the meter panel to provide electricity ...
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1answer
107 views

What is this noise I heard while nailing into drywall above an outlet?

About 2 weeks ago I stupidly drove a nail into drywall in the area directly above an outlet (about 4 ft above). The nail went in probably 1.5". At some point, I hear a noise like a coin or small ...
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1answer
109 views

How do I properly run CAT6 less than standard 8" from power cables?

I am trying to run CAT6 to a doorbell which is near 14-2 Romex triple gang box. It's on the other side of the wall about 6" from the 3 gang box on the other side of where the blue tape is marked. ...
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1answer
92 views

Breakers keep tripping intermittently

SO I am having a rather odd issue with 4 particular breakers tripping. The cause of the trip has changed, let me explain. Last night, I first noticed that whenever I started to play a game on my ...
2
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2answers
844 views

Underground feeder wires or cable?

I am planning an underground feeder to a barn. I am intending to direct bury instead of installing in conduit. I can find various cables (4 wire) that are rated for direct burial, but due to ...
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0answers
116 views
+50

Generator automatic transfer switch + main panel not configured as sub panel

I bought a house in Massachusetts (USA) that was built around 2009. It has a generator with a service rated automatic transfer switch (ATS) connected to a main panel that is set up as a main panel (...
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1answer
37 views

A single can light in my kitchen goes off after a while and then comes back on a while later

Our kitchen ceiling lights are can lights in series on three-way switches. One 3-way switch is a dimmer switch. When the lights are turned on, after a while a single can light goes out and then comes ...
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0answers
72 views

All the wires are hot in a 3-way switch

I was trying to replace the old 3way switch with the smart switch. So I removed the switches from both the boxes to see which wire is the line and which is the load? But box1 has all 3 wires as hot ...
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0answers
58 views

Installed a new two separate single-pole switches, cannot turn on one of the lights

I replaced my two separate single-pole switches and now I cannot turn on one of the lights. The left switch is able to turn off and on the lights normally but the right one doesn't do anything to the ...
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1answer
63 views

3-way smart-switch installation: How do I re-claim the white (currently) traveler to be a neutral?

I'm trying to upgrade some light switches to smart switches that require neutral wires. I did a couple single pole switches months ago which, with some trial and error, worked fine. I'm stuck on at ...
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0answers
25 views

Impact on wall integrity when installing outlets on baseboards vs. higher up on lath-and-plaster wall?

I'm getting new outlets installed in a second floor room and am trying to decide whether to install them in the baseboard or higher up on the wall. I have: Lath-and-plaster walls No crawlspace and at ...
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1answer
68 views

Main Panel Electric Question

I purchased a two family home and the electric was turned off by POCO. The current panels that were in the basement were rusted out old Eaton panels so they needed changing. I went to Home Depot to ...
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4answers
141 views

new house high electric bill

I just moved into a new house in Northern California. Since we became owners (one month ago), we have been gone abroad and the house has been unoccupied and empty. Before leaving I made sure all ...
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1answer
117 views

"boob" look cover on walls in an older home... What are they

My brother in law has these "boob" looking covers on his walls. I'm trying to figure out what they are, and then how to remove it. They are pretty caked up with paint. I was thinking of ...
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2answers
63 views

Do walls and ceiling need to have drywall installed for electrical? Partially finished basement

Background I recently finished most of the basement, making a bedroom and bathroom in the process. This leaves a section of the basement unfinished which consists of a laundry room and storage area. ...
0
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2answers
73 views

Scorched plug and socket

My dishwasher stopped working. I pulled it out and discovered a scorched plug with some carbon damage to the socket. Do you think this is a dishwasher fault? The socket still works... I want to know ...
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2answers
87 views

Is this sheathed electrical cable burnt?

It just sits under the vapor barrier of insulation and is never touched. How does this happen??

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