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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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25 views

Tenant Multi-Family Meter Box Amp and Wire Requirements

First time posting on Home Improvement, please let me know if I am missing anything. I don't do electrical but my building designer needs some info to add to the blueprints (I thought this there are ...
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2answers
77 views

Running 100 amp wire for future use - how many wires do i run?

i am finishing up my basement and about to close up the walls.Before i close the walls, i want to run 100 amp wire from the circuit panel, located on one side of the house, to the other side of the ...
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2answers
63 views

Adding a second Grounding Bar

My current electrical system appears to have the ground and the neutral wires on the same bus bar. If I had a second grounding bar, do I need to move ALL of my ground wires to the new grounding bar, ...
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2answers
31 views

How to put main breaker in Square D Hom612L100 breaker panel?

This panel (Square D Hom612L100) has 4 slots. Is it possible to make one of them serve as the main breaker?
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1answer
51 views

Electrical power to a detached shop, 60 amp panel, 80 feet of wire, what size wire do I need?

I am running power through a conduit to a detached shop, 80 feet of wire, a 60 amp panel. What size and type of wire do I need?
2
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1answer
39 views

What to do about breaker that triggers main panel, and breaker that's stuck?

I've moved into an older home and am trying to figure out the wiring. There's a small addition at the back of the house where I'm trying to figure out the wiring behind a blank wall panel. Before ...
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1answer
41 views

How to split a circuit

I have a one floor house with semi finished basement. On the main floor the Living room, Bath, 2 Bedrooms, garage and Microwave outlets are on 1 circuit. If I go to skinny breakers I have room to run ...
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1answer
32 views

Minimum height of bottom of industrial machine control electrical panel [closed]

On an industrial machine we are building, what is the minimum height of the bottom of the electrical control panel Thank you
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1answer
74 views

70 amp service from 200 amp main

We need to run conductor from a 200 amp main service panel to a sub panel that is approximately 200 feet away (50 inside garage, and 150 underground.) The breaker in the main panel that will feed ...
2
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3answers
152 views

What type of Circuit Breaker is required for this slot?

I was looking at adding an extra breaker or two to my panel as I have two open slots. I opened the front of my panel to see what I was dealing with inside and was perplexed by what I found, I'm going ...
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4answers
236 views

What is this electrical device shown in picture?

I was watching "Better Call Saul" and came across this electrical device. I have never seen such a device. I want to know what it is called and what does it do/measure? Here is another angle.
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0answers
27 views

what size wire for 100 amp sub panel

Im doing an addition on my raised ranch home, two floor, first is bedroom with small bathroom, second is family room, diagonal to garage. I need to install four recessed lights and a center fan, four ...
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2answers
76 views

20" long remote plastic breaker handle lever

Does anyone know what kind of plastic lever that is about 20" long that can turn off or on a breaker handle so in case the breaker arc flashed, the fingers won't be injured? The following happened in ...
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2answers
222 views

Multi wire circuit or 2 separate 120V 20A dedicated circuits?

I'm planning to purchase a portable indoor infrared sauna and locate it outdoors under my deck. The sauna will require a dedicated 120V 20A outlet. I'm wondering if it makes sense to install a multi-...
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2answers
91 views

What amperage panel do I need for a hair salon?

What amperage panel do I need for a hair salon with 14 stations all of them drawing 16 amps each at any given time? (1800 watts / 110v = 16.36 amps ?) By my logic we will need a minimum 16 * 14 = ...
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1answer
41 views

Running Wire to an Outside Load Center

I have a manufactured building that is built like a mobile home. It is already wired with an A/C, outlets, lights, etc. through a 125 amp panel. The panel is very small and has no room for additional ...
2
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1answer
104 views

Where would I install a bonding screw in this panel?

Im trying to help my grand father and believe I need a bonding screw installed. (he has neutrals and grounds on the same bar) Can anyone please indicate where it goes on the main panel? If you could ...
2
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1answer
60 views

ITE bus stab amperage limit for tandem breakers

We want to run some sub-panels off of our 100 amp, 12 space, ITE main panel. (According to another forum, Gould bought ITE in 1976, and Siemens bought Gould in 1983.) Siemens I-T-E Load Center has ...
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1answer
62 views

Terminating unused wire in breaker box [duplicate]

I have an unused wire that used to be hooked up to the dryer breaker that is "hanging" in the breaker box. What is the correct way to terminate this wire? I don't want to cut it in case we want to use ...
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2answers
73 views

PPE that can withstand molten slag from arc flash [closed]

I plan to get the following PPE to protect against arc flash (which my electrician experienced before). But I found out it can't even withstand molten slag from injuring the arms. Our PPE standard or ...
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0answers
28 views

To install a 60 amp panel in a shed from my house panel [duplicate]

I want to rum 125ft of wire through my attic then go to conduit for 20 ft to mt shed. What size and type wire do I need.
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2answers
103 views

Old Style Fuse Box

I'm in the UK and in the process of buying my first house (early 1900's victorian terrace). I paid for a home buyers report which came back with some areas for improvement, one being the fuse box. The ...
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2answers
81 views

Will this breaker fit into this panel?

I'm looking at a Siemens PW1224L1200CU Main Lug Load Center. Will either the 200-amp branch breaker QN2200 or QN2200R fit into this panel? I looked at the wiring diagram but was unsure if a QN2200R ...
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2answers
45 views

Replace 6 fuses with 2 breakers?

I hired an electrician replace my old 6 fuse subpanel with breakers at an existing newer subpanel. I thought I’d get wires running from each circuit to a new breaker, but all he did was wire the six ...
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2answers
71 views

2 wires with same neutral in a tandem circuit breaker on the same leg

For reasons not relevant, I have spent the whole day reading about circuit breakers and I think I found an issue in the current configuration (changed after a contractor remodeled our kitchen). I ...
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0answers
21 views

Flickering started: All 4 LED bulbs on dimmer switch flicker in unison

All 4 LED Recessed lights on dimmer switch #1 just started flickering in sync (sometimes) starting 2 days ago. 4 years with no problem 4 other LED's on a DIFFERENT dimmer switch #2 (but same circuit) ...
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1answer
49 views

Why does main breaker trips before the smaller one?

I have 6 x 20A breakers that stayed ON while the main 63A tripped. I turned the smaller breakers OFF and then turned the main one ON. One by one, I started turning ON the smaller ones, till the main ...
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2answers
137 views

Electrical nightmare

Last year our lights began surging and then my wife noticed the old fuse holder was broken and not making a good contact. We decided to upgrade the fuse panel and bring it closer to code. The first ...
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2answers
47 views

How big can I go for a subpanel?

I have 2 125 amp breakers for my main breakers.they are next to my meter. What would my main breaker box be for amps?
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1answer
51 views

Temporarily relocating an electrical panel while rebuilding a room

The room where our main power supply comes into the house is actually an old converted porch. Several inches of the wooden frame, including the sill plate and band board, are buried below grade and ...
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1answer
45 views

Can I connect a 70 amp sub panel to a 40 amp 240 breakers?

Can I connect it to a sub panel that is rated for 70 amp? I just want to put 3 or 4 20 amp 120 breakers in. Is it safe to do it?
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0answers
28 views

Breaker keeps tripping

Replaced a split circuit switch (Dishwasher/Disposal). breaker comes on when switched but trips when turning either appliance on. Tab is removed, all wires connected properly, but breaker still trips
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2answers
125 views

What is the principle behind “circuit total limitation” (CTL) for electrical panels?

Contemporary electrical panels/loadcenters limit the number of tandem circuit breakers that can be used. Is this because areas of the underlying panel bus bars can overheat despite all of the ...
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1answer
64 views

Torque screwdriver hex bit for main panel breaker, etc

I finally used the 10-50 in-lbs Torque screwdriver I received yesterday to all the breakers in the main panel and subpanel. The Siemens load center MBK100A breaker is the hardest to torque because of ...
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0answers
77 views

My breaker box has most of the downstairs breakers missing …why

I started noticing outlets and receptacles loose and some in kitchen shot fire. I went and bought screws to replace the missing ones and went to turn breakers off....the breaker box was missing 1/4 to ...
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1answer
30 views

Dual 60 Amp circuit for Well and Tankless Heater

We are installing a tankless heater system that has the specs of 122,000 btu, 36 kWh, 150 Amp. The current systems looks to have only a single dual 60 Amp circuit to both the well pump and oil ...
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2answers
66 views

QT/tandem breaker wire gauge

Can I use a 14-3 Romex for two different electrical circuits on a 15A QT/tandem breaker? Or should I use one 14-2 for each? My mistake, apologize. Post edited: the QT breaker is a space saver. My ...
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1answer
67 views

What wire size for 100 Amp sub panel 100ft in length form 200 Amp main panel?

What wire size for 100 Amp sub panel 100ft in length form 200 Amp main panel? Do I have to buy all 3 wires (2 hot and 1 neutral) the same size? Or can neutral wire be smaller size?
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2answers
69 views

Adding a 100A breaker in front of a feeder

OK, in a rehab of existing outlets I came across a 30A dryer receptacle on a 50A breaker with 12/3 AWG. Needless to say I am not happy. In looking at the breaker box, the white and bare ground are ...
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2answers
55 views

How can I reconfigure my breakers to make room for a sub-panel feeder?

Right now I have a 100amp main panel, it is full as of now. I have looked into tandem breakers for a Federal Pioneer Breaker Panel. I could not find any tandem breakers for this panel. So would my ...
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3answers
43 views

Switching wiring from one transformer to another

I am considering getting a Nest Hello doorbell. The requirements state: Nest Hello needs to be powered by wires delivering 16 - 24 V AC, and at least 10 VA (in North America) I had a brief look ...
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1answer
86 views

Putting 4 wires to each breaker input & Torques required

Update. To those who insert 2 wire to each terminal or 4 wires to the breakers, and just increase the torque to compensate for it. What torques did you use (did you increase it?). My 10-50 in-lbs ...
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2answers
43 views

30 amp GFCI neutral

I recently swapped out a 40 amp breaker (previously for an oven/range) to a 30 amp GFCI, on the other end will be a L6-30 receptacle (2 hots, 1 ground). My question is what to do with the neutral wire ...
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2answers
358 views

Electrical design for a house with an ADU, solar, and backup generator

I recently moved into a fixer-upper house, and have some questions about how to go about (re)designing the electrical system in a way that meets my somewhat unique timeline and site requirements. ...
2
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2answers
69 views

Can a sub-panel have a larger main breaker than the feeder breaker in the main panel?

I have a weird setup that I'm trying to configure, but I'm only 90% certain of my logic (and with electrical items I want to be 100%). I have a new 400A meter/main combo unit with 1 built-in (...
3
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6answers
202 views

Why is the neutral tied to ground in my home's electrical panel? [duplicate]

What keeps the Electric from shorting to ground? On my electric panel the Neutral is tied to the ground. The ground is a bare copper wire run back to my water main. a. Electricity chooses the path ...
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1answer
31 views

90amp breaker to a subpanel for 60 amps

I have a mobile home that is wired for a 90 amp furnace. but didn't have the furnace.. so I purchased one which is 60 amps. could I take the wires for the 90 amp furnace run it from the 90 amp ...
4
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1answer
83 views

Should the neutral and ground bars in my panel be bonded?

This is an older homes main panel. Question: I believe neutrals and grounds can not be on the same lug but can they be on the same bar? In addition, should i add a bonding screw on the top right? ...
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2answers
62 views

How to put din rail breakers/enclosure over old plug-in panel case?

Update: After 2 hours of working on it. I was able to replace the old breaker with Schneider Din Rail 125A breaker that directly feeds the Siemens panel with 6 GFCI breakers. See: https://imagizer....
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2answers
81 views

Breakers protect wires.. doesn't 83% derating violate it?

For homeowners, do you need to follow the derating rule? Illustration: https://www.youtube.com/watch?v=OLIHEiiY_Rs The point is conductors can be used that is 83% of the supposed size compared to ...