Questions tagged [electrical-panel]

For questions about panelboards (also known as "electrical panels", "circuit breaker panels", "fuse boxes", "distribution boards", "consumer units", or "load centers"). Questions about individual overcurrent protection devices should use [circuit-breaker].

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1answer
26 views

30amp 2 breaker sub panel

Hooking up power to a shed only going to have a few receptacles and a light. I have 30 amp power close by where I use to use for a camper it’s only run off of 120 with 3 wires my question is can I use ...
2
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2answers
86 views

Ceiling electrical box wires -trying to install a light fixture

I have recently rented a condo in a new building in Toronto (2020) where they didnt have lights installed in the Living room. I went to homedepot today and I am trying to install a light fixture that ...
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1answer
34 views

Can I extend SER service cable to accommodate a new breaker box?

I'm planning on replacing a 100A stab-lok (house burner) sub panel with a QO Mains box but I may need about 6 more inches of SER to get connected comfortably. The original box is already about 12 in ...
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2answers
63 views

What conduit and wire for an outdoor outlet directly to outdoor breaker panel?

I would like to add an outdoor receptacle directly to my outdoor breaker panel for some simple string lights. The idea would be to install new breaker, run flexible conduit from knockout on bottom of ...
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3answers
36 views

What could be a reason for RCCB triggering?

I have RCCB/RCD with four circuit breakers at the entrance of my aparment (I am actually not quite sure how it is called in english, so here is RCCD and CB is ABB s231r with different max amps) ...
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0answers
29 views

Removing light fixture causes circuit breaker to trip

I was replacing a ceiling light fixture with a lower one. I had turned off the circuit breaker to remove the lamp and disconnect the 3 wires - black, white, and bronze. Then, I tried to turn the ...
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1answer
61 views

Separate circuit, but why is the disposal causing lights to flicker?

My garbage disposal was on the same overloaded circuit with many other items in my 1949 home. Lights would flicker when the disposal would come on. These were all on the same circuit. I recently ran ...
2
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1answer
83 views

2 AFCI Breakers Tripping - One instantly and the other after a few minutes

I have 2x 15amp AFCI Siemens breakers, both are tripping. One breaker would trip instantly and the other one after a few minutes. Nothing new was plugged in into these circuits. It just happened out ...
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1answer
40 views

How do I diagnose an open circuit where several outlets are not working?

Breaker tips the second I turn it on. Exactly 5 outlets aren't working. None of the outlets are CFCI, all look like the one in the picture, but others outlets aren't next to light switches and have ...
4
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2answers
139 views

120V on hot and neutral wires… just started happening

So last week i was cutting down a small tree with an electric chain saw. I was in a tough spot and the chain saw stopped working. I couldn't find any breakers blown, so i switched to another outlet to ...
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0answers
126 views

How can I tell if I have a ground wire?

I was looking at my service panel and noticed I don’t see any wires leading to the ground. Is it possible there is no ground or maybe the ground comes from my service? I have four wires coming in. I ...
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1answer
63 views

Low Voltage Transformer in Subpanel?

I have a Pentair EasyTouch Automation system for the pool, and it is installed on the outside of the house in a subpanel. When it was installed, I also ran 12ga direct burial wire around the pool ...
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2answers
79 views

Can a subpanel's ground and neutral be served from another subpanel, while the circuits come from main panel?

I am adding an addition to my house, and running a new 100A subpanel over to the main part of the house. In the house I have the main 200A panel, plus an existing 100A subpanel, and the two are right ...
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1answer
58 views

Electrical Bonding of Service Panel After PEX Replacement of Galvanized Pipes

My house was built in 1929 and has gone through many rounds of plumbing/electrical upgrades over the years. I am replacing the galvanized pipes with PEX and I'm confident that I have planned ...
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2answers
74 views

Should Neutral and Earth be bonded at the meter instead of in the main panel(s) with tandem 200A main panels

In my 2014-built United States mainland home, I have two side-by-side 200A panels. They both have a 200A main breaker. One really neat thing this let me do is have two lighting circuits in the ...
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1answer
50 views

Neutrals and Grounds tied together in the panel?

I’ve only ever worked on my own panel. In my panel, there is a seperate ground bar on one side, and all the ground wires go there. On the other side is a seperate neutral bar, and all neutral wires ...
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3answers
1k views

Are the grounds and neutrals in this electrical subpanel reversed?

I would appreciate your feed back to help me understand the logic behind Bonding the Neutral and Isolating Ground as shown in the attached pics. Subject sub panel is dedicated to one of four ...
2
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3answers
81 views

Ground wire arcing in breaker box

While inspecting the breaker box in my shop area I noticed inside the breaker box was a ground wire that was loose inside the box. The other circuits had grounds connected to the neutral bar. Upon ...
2
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2answers
91 views

Do I need to hire an electrician to turn off my main?

My service panel (newly installed) does not have a main breaker. I'm guessing the main breaker is outside in the panel shown with the utility lock tag. Am I not "allowed" to turn off my main breaker?...
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2answers
60 views

Can I safely pigtail #10 wire and #12 wire on a 20 amp circuit? [duplicate]

When they built my house, than ran 10/2 wire from the 20 amp breakers. I’d like to pigtail into one of those and make a new outlet. But I’d prefer to use 12/2 as it’s easier to work with and it’s ...
2
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1answer
44 views

Subpanel feeder cable type to code?

Pardon my uneducated question, new to the codes...in short I want to add a subpanel, along an existing one. Here is the setup: There is a 200A service with a main service breaker and branch-breakers ...
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2answers
54 views

Grounding requirements for multipanel, multiservice installation

Overview: My question ultimately boils down to figuring out how many wires I can properly stuff down an existing conduit. There are many questions pertaining to wiring and grounding sub-panels, but I'...
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2answers
91 views

How can I safely connect cable in a service panel?

I'm planning to install a 240v 30 amp circuit breaker in the open slots on the bottom left hand side of the panel. I need to punch a hole at the top of the box as the 10/3 NM will be going into the ...
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1answer
54 views

Subfeed Lugs for GE Powermark Plus Loadcenter

Do plug-in subfeed lugs exist that are rated for use with a GE Powermark Plus loadcenter? I have a circa 1980s TM2020R Mod 1 loadcenter that is fully populated with THQP breakers and was planning on ...
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3answers
66 views

Undersized grounding

Does an undersized grounding is cause for concern about improper / unsafe condition(s) that I noted at the house’ s electrical sub panel. The House that was built in late 1950’s, Southern California, ...
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1answer
27 views

Generator Power Inlet Box location

I am installing a 50 amp power inlet box to backfeed my 12000W generator (it has 50amp outlet) into the house main circuit panel (with approved interlock kit..). The inlet box is a GE T050N, that only ...
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2answers
40 views

Does it matter on which phase the solar panel inverter is connected?

We have a three phase power supply (3x25A) at our home in The Netherlands (230V). All three phases are used for an induction cooker, and in parallel, two phases (let's call them 1 and 2) each power ...
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1answer
67 views

Hot Tub/Spa 70A Subpanel/Electrical Disconnect Box Wiring

I will be installing a Caldera Cantabria hot tub soon and need to run the electrical from my main panel to the GFCI sub panel. I will be installing a non-GFCI 70A circuit breaker in my 200A main ...
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4answers
88 views

200 AMP Service - Feeding 3 Sub-Panels - Wire Size and Set Up Help Needed

We are installing a 200 amp outdoor service panel (specifically, this one) and want to run 3 subpanels (1x100amp for the pole barn/workshop and 2x60amp for other locations on the farm). I was planning ...
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0answers
20 views

Breaker to Sub-Panel keeps tripping

I have a 30 amp double-throw breaker in my main panel that feeds a sub-panel in my shop. A few weeks ago, one of the 2 circuits in the shop stopped working. Then, a few days ago, the breaker in the ...
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1answer
66 views

Is this a MWBC?

I think I have some MWBCs that are not handle tied. Can you tell from this picture if the bottom red breakers and top blue breakers are MWBCs? I can't trace back to the conduit and they supply "...
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2answers
45 views

Backfeed breaker use

I'm going to install a Eaton BRMLKCSR lockout on a Eaton BR816 B200 RF panel can i use a regular 240 v breaker or is a special backfeed breaker required to connect the generator? Thanks
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0answers
40 views

fuse on elictricity not

I started with turning of the fuse. I then exchanged out 2 plug outlets for ,brand name outlets;'feit electric' wall outlets with 2 USB ports, ITM./ART. 1145395. Then I exchanged a timer light switch ...
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1answer
69 views

Will my electrical sub panel handle a HVAC load

I have an old, small house where electrical was updated about 20 years ago. Description of electrical hook up: I have the main power coming into the meter, with a panel box adjacent to the meter. It ...
0
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1answer
48 views

Using 30amp rv outlet to power small shop

I have a 30amp outlet on my house to supply power to an RV but I plan on putting a portable building near this area and would like to use that power to power my shop which will include 12 3D Printers ...
2
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2answers
62 views

Service Feed Split box

Recently purchased land that had a meter pole with a mobile home server feed on the meter pole. I built a 10x10 shop and added a 200a Square D HOM3060M200PCVP. It's WAY oversized for what I need. I ...
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2answers
57 views

Running 240v circuit to detached garage

I am trying to determine the best way possible to get a 240v outlet to my detached garage approximately 25' from the breaker panel inside the house. I currently have 2 separate feeds to the garage ...
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2answers
66 views

Grounding in main panel without visible ground wire or ground bar

I am exploring a way to install an outdoor outlet out of my main electrical panel but I couldn’t find any visible ground bar(s) that the ground wires (in green color) can connect to, nor do I see a ...
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2answers
121 views

Must a generator be connected permanently to the transfer switch?

I will soon be purchasing a 15K watt, 50A generator and an exterior 200A on/off/on transfer switch. Nothing is an issues except for connecting generator to transfer switch cabinet. Must a male/female ...
5
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2answers
522 views

Do the 2 individual 120v legs coming from meter into main panel have to be connected to specific terminals on the main shutoff breaker?

The old SEU wiring in my box has a black and red cable, but I have also seen newer SEU service cable where both 120v legs were black.
5
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2answers
81 views

Garage subpanel wiring

I recently bought a house that has a subpanel in the garage served by a 50 amp circuit from the main breaker. The breaker has 4 wires coming in: red, black, green, white. Currently, the subpanel ...
2
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2answers
59 views

Can I add a 125amp panel to a current 125amp main panel?

I currently have an older 125amp QO square D panel with 16 total spaces. I'm trying to update some of the electrical in my house and have some overloaded circuits that I'm now separating and ...
0
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1answer
75 views

Can duct tape be used to mark neutral wires?

Hello I’m in search of code requirements as they relate to the use of duct tape for marking the neutral conductor in the service panel. My understanding is this is a code violation as duct tape is a ...
1
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1answer
79 views

What is this feed though attachment in my home Load Panel?

I am looking to upgrade my outdoor main panel to a Square D QO panel. However, this outdoor 200A load center feeds my indoor 200A load center, and it does so not by using any of the breaker spaces but ...
3
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1answer
49 views

Diagnosing faulty kitchen appliances

I have a waffle iron that trips the RCD breaker (the rightmost breaker inside the red box below) after I've made a couple of waffles. I'm fairly sure that I don't have a problem with the kitchen ...
3
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1answer
80 views

Contractor wants to “derate” my subpanel

We're going through the planning phases of installing a pair of Tesla Powerwall units for our house. We got this via the project contact from their engineering group. Both Tesla Powerwalls are ...
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2answers
60 views

Feed back problem on FM Radio after new 100 amp box installed

I installed a 100 amp box from my exsting 200 amp box. I seem to be getting feed back from my FM radio when I plug in a battery charger and turn it on. Other items don't seem to effect the radio. Did ...
2
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1answer
39 views

Tankless Electric water heater Electrical interference

I recently installed a Rheem Retex-18 tankless electric water heater. When I turn the heater on I experience many electrical issues around the house: 1. Sense home energy monitor freaks out and turns ...
21
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10answers
11k views

My inflatable hot tub says “don't use with an extension cord”… but can I?

Sadly they don't explain WHY not to use it with an extension cord. I wonder if it's to do with the risk of having such connections outside in the elements? The cord it comes with is 7m long, and ...
7
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6answers
17k views

ELECTRICAL - Max number of branches on one circuit?

Just curious. Is there a maximum number of junction boxes (and then branches coming off of those junction boxes) that one circuit is allowed by code to have? Could you theoretically just continue to ...

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