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1answer
28 views

Ground rod for detached sub panel

My contractor sunk a length of rebar in the footing of my shop to be used as ground rod for the sub panel. I'm not sure but I suspect its just a 10 ft. length of rebar, and isn't tied into the rest ...
0
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3answers
36 views

Wiring second breaker panel

I have a 100 amp service running from meter base to new garage, that's completely wired. Now, I'm going to run from garage to new house under construction. I want to use another one hundred amp ...
3
votes
1answer
117 views

Wiring 100-amp sub-panel for 1hp pool pump and heater

The project is to wire a 125-amp sub-panel from the main, approx. 50 feet away to serve a 220v in-ground 1hp pool pump, heat pump, and 120v LED pool light. Wondering if the following plan will ...
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3answers
79 views

How to add a gfci and surge protector to pool pump line?

I want to add a gfci and surge protector to the 240v circuit for my pool pump. The 12 guage power wires (red and black) and ground (green) run from the corner of yard directly to the main breaker ...
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3answers
47 views

Electrical SubPanel Help

I have a subpanel to an outdoor patio 75 yards from the house main breaker box and don't think it is wired properly. There are two large hot lines from the main controlled by a 50 amp breaker that go ...
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2answers
131 views

Is it legit to use this disconnect this way

This is more an expert question for the senior users here, i.e., licensed or former electrician, and/or engineer. I want to replace a rusted out sub panel that feeds 3 circuits at a residential dock ...
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1answer
64 views

Circuit breaker panel voltage drops when a load is added

I have a 240 volt 225 amp sub-panel. Both lines attached to the bus bar have 120v. When I turn on any breaker connected to one of the bus bars, the voltage drops to 80-108v. If I remove the load and ...
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2answers
65 views

Can I take a 240 volt 33 amp male plug an slice [closed]

Okay. So I wanna wire my garage. My old home has an old unused 3 prong 240v plug just chilling. My home is limited to 100amps. Old old home. So, the garage, 60ft away has no power. No power=no man ...
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1answer
43 views

Wire gauge for subpanel

We are putting a 100 amp sub panel in a building with an eye toward making it a small apartment. We will need to run 160 feet of wire from the 200 amp main. We have been told to use 12/2 gauge and 14/...
1
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1answer
59 views

How can I replace an I-T-E panelboard? [closed]

I have an old 225 Amp 30 space commercial flush mount sub-panel in my home with bolt on breakers that has worked for years. Now, there's 120v on one bus and 0 volts on the other bus. When I remove ...
4
votes
3answers
427 views

What should I do if the AFCI breaker neutral pigtail is too short?

I am wiring a house that I built, and code says I need an AFCI for the bedroom circuit. The panel that I will be installing this AFCI breaker in is a subpanel, so my ground/neutrals are on 2 ...
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2answers
54 views

Power loss on a sub-panel

I have an old ITE main panel in the garage with 600 amp service which has 3 - 200 amp breakers, each feeding a sub-panel in the house. All 3 ITE sub-panels in the house have been fine for over 5 years ...
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2answers
80 views

Do I need to run a ground from my main panel to the new sub panel 100' away?

Do I need to run a ground from my main panel to the new sub panel 100' away or can I establish the ground at the shop location ie. UFER?
2
votes
2answers
91 views

Conduit Size for Sub-Panel run?

I have old overhead wires that go between my home and a detached garage. The plan is to remove the overhead wires and install a new sub-panel in the garage with an underground (PVC 80) run between the ...
1
vote
1answer
73 views

Should neutral be bonded to ground in main and subpanels?

I had a licensed electrician replace my main panel and also install a subpanel in my garage. At the time I knew nothing about electrical, and now I know just barely more than nothing. I have ...
0
votes
1answer
91 views

Biggest size breaker in 200 amp panel

I am upgrading my service to 200 AMP. Since the location of the old service is behind a cabinet, we moved the main panel to a different area. This put it more than 15 feet away so we have a 200 amp ...
0
votes
1answer
45 views

New Main Panel & Sub-Panel - Hooking up Ground / Netural - Connecting to Plumbing / Ground Bar

Older 1960's house. The outside panel is a FPE Stab-Lok that needs upgraded. Will be using this panel to upgrade it, which has a 125-amp main breaker: The current box is directly to the left of the ...
0
votes
1answer
30 views

Can I use a GFI main breaker in series with individual QO AFCI breakers?

I'd like to install a subpanel using a 2-pole Square D QO GFCI breaker in the main panel and then installing individual QO CAFCI breakers in the subpanel where needed for the dual protection. It ...
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2answers
113 views

How do i know how many amps to send to my subpanel?

I am building a 24'x15' woodworking shop inside a larger pole barn. I want to put a subpanel in the shop fed by the buildings main panel but how do i estimate the size of the breaker to use in the ...
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2answers
54 views

Is wiring a 240 volt heater from a sub panel different from wiring it to the main panel?

Since the neutral and ground are isolated in a sub panel, is wiring a 240 volt heater from a sub panel different from wiring it to the main panel?
0
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1answer
83 views

Another sub-panel questio

Improving unfinished basement in 7 year old log home to have a small shop and a mancave Installing sub panel 40 wire feet from main panel mainly because i don't want to home-run all my circuits to ...
0
votes
1answer
717 views

What size wire for 100 amp sub-panel from a 200amp main panel? [duplicate]

I want to add a 100 amp sub-panel from a 200 amp main in an attached garage. It will be about 100 feet from sub to main. What gauge wire should I use? The sub panel is to hook up a 7.5 horse air ...
3
votes
2answers
128 views

Add circuit off main disconnect or sub-panel required?

I have an outside main disconnect of 200 amp and a inside main panel in the garage. The disconnect panel outside also has 8 or 10 breaker slots in it, four occupied with double breakers for sub-panels,...
1
vote
1answer
146 views

What size wire and subpanel for a pergola with an outdoor kitchen?

I am putting an outdoor kitchen in and would like to have a subpanel to run the electrical needs. Their would be a mini fridge, grill rotisserie, 5 receptacles, 3 ceiling fans and some lights. I plan ...
0
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2answers
95 views

Can I install this array of circuit breakers in my sub-panel?

I have a 30 amp breaker in my main panel, with 12/3 wire ran about 100 ft. To my sub panel in my shed. I'm wondering if I can put a 20 amp breaker for my outlets and a 15 amp breaker for my light in ...
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votes
2answers
80 views

Wire type for outdoor sub panel

I am adding an exterior 120v, 100 amp sub panel 2' from the existing service panel. I am going to use #2 individual, stranded copper wire in schedule 40 raceway. My question is: what "type" wire ...
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2answers
191 views

Can I run copper wire to a subpanel via the crawl space without conduit?

Can I run 3/0 copper se cable wire with the ground to a sub panel straight from the 200 amp breaker box to the 100 amp box through a crawl space without any conduit?
1
vote
1answer
116 views

Second Subpanel

Long time reader first time post. I recently installed a 100 amp sub-panel from my 200 amp service to a barn on my property. It’s been a few months and now I’m finding that I actually should have ...
0
votes
1answer
83 views

Isolated ground on sub panel

Is it ok to use the brass rod grounding at a subpanel as long as the ground and the neutral bars are isolated at the sub panel from each other?
1
vote
1answer
457 views

How can I safely connect a subpanel in a detached garage to the main with a 3-wire connection?

This weekend I attempted to install a breaker box into a pre-wired garage. The previous owners took the breaker box with them when they moved, and since I have installed quite a few subpanels, it ...
1
vote
2answers
88 views

I need help identifying hot and neutral feed wires for sub panel installation

I am installing a sub panel in my garage this weekend. The previous owner had a subpanel in the same location, but when they moved they took the panel with them. The wires from the mains panel in ...
1
vote
2answers
33 views

infloor heating thermostat from sub panel question

I am installing quiet warm in floor mats in a small room.We installed a four breaker sub panel.The thermostat for the floors heating pads has a built in gfci,but just shows neutral and hot connections ...
0
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0answers
90 views

Subpanel with only 2 wires at Main

The detached shop has no livestock. This old building has old wiring with only 1 hot, 1 neutral and no ground wire and a 20 amp breaker at the Main. Somewhere along the line, someone attached a ...
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0answers
119 views

Breaker to outdoor Sub panel keep tripping

Need help with my outdoor kitchen fridge. A 20 amp fuse at the main box goes takes a 10/2 w/ground wire to a sub panel. The sub panel has two 15 amp breakers circuit one goes to a storage shed via ...
0
votes
2answers
123 views

Do I need a breaker in main pannel for sub pannel?

I have no breaker space in the main 200amp panel. I'd like to set a 100 amp sub panel with its own breaker. Can I connect the sub panel to the main entry lugs on the 200 amp panel?
1
vote
1answer
400 views

220 hot tub / spa breaker question

Ok...... I had an older spa pump that went out. I also replaced the spa pack. The old spa pack had a GFCI breaker in it and the new one does not. So now I have to add gfci protection to the spa via ...
0
votes
1answer
153 views

Should I bond neutral in sub panel- there is no electrical ground

I have a question about my sub panel that I'm installing in a shed in the back yard. I'm using a 3 wire feed from the main panel to the sub panel (H-H-N). ...because I'm using the 3 wire feed, I'm ...
3
votes
1answer
169 views

Upgrade Service or Sub Panel or? [duplicate]

I just moved into a small home (~1150sf) that currently has 150 amp service. The disconnect is outside by the meter (pictured). The meter is attached to the side of the carport, which I'm about to ...
0
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0answers
160 views

Can I convert my main panel to a sub-panel to install a hot-tub?

My wife would like to have a hot-tub. The immediate problem there is that the current service entrance is directly above where it would go. So, I am looking at undergrounding my service (added bonus ...
0
votes
1answer
198 views

Can I move the main electrical panel to the unattached garage?

My main electrical service runs overhead from a pole behind my unattached garage, to the back of the house. There is also an underground conduit from the house to the garage supplying a sub panel ...
2
votes
0answers
66 views

Where should I bond neutral to ground? [duplicate]

I have an old house that was remodeled with a bathroom addition added years ago. I have two breaker panels: the outside service entrance panel (A) and another panel in the garage (B). I found bonds ...
0
votes
2answers
217 views

Can the breaker on a sub-panel be rated for more amps than the main breaker?

Got a new spa I want to replace old 40amp sub with a 50 amp sub GFCI ( the only one available ) it is on a dedicated 40 amp from the main. Maybe a stupid question but can my main be less than my sub? ...
1
vote
1answer
104 views

Adding 60,70 or 80 amp sub pannel with ALU#4 SER service entrance wire from 150amp main

I have a 150amp 120/240 and a three phase pannel that are connected by 4 wires. two of the 120/240 is shared between two separate meters/panels. The 3 phase panel is also connected to an extra wire ...
3
votes
1answer
959 views

240V, 40A stove outlet was split into two 120V, 20A circuits, how do I properly isolate the neutral from ground?

I recently been told that a subpanel box that was installed in my kitchen, which previously supported an electric stove, is wired incorrectly. The subpanel takes the 240 line and splits it into two ...
2
votes
0answers
63 views

Increasing the size of a sub panel

I am considering solar and the easiest place to connect the system for grid-tie is into a subpanel. With the 2013 CEC, this is permitted. However, I have a slight problem. I don't have any free ...
0
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2answers
91 views

Main to sub panel feed

I'm working on a small finished outbuilding that has a sub panel for lights, outlets, etc. From the main he sent (2) separate 70amp lines to the building sub panel into (2) 40 amp breakers, each 70 ...
0
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2answers
2k views

What wire type & size for sub-panel in a shed?

I need to install a sub-panel in a shed. Total run distance from main panel to sub-panel is 80 ft and includes three 90 degree turns. Burial distance will be 18". I'm thinking to install a 60-amp ...
1
vote
1answer
278 views

60 amp single phase sub-panal from 3phase panel without Neutral

ThreePhaseEel has asked me a couple of questions. First, I want to thank him for the answer. As to the color of the 3 phase wires from the pole, all are green. I don't see any white either. The high ...
1
vote
3answers
859 views

Grounding requirements for main panel and subpanel

I recently had my main service professionally upgraded to 200A and had a 60A subpanel installed in my master suite to support future additions. All work passed city inspection, for whatever that's ...
1
vote
1answer
1k views

Single sub-panel from 3 phase panel and the main breaker size

I have an old 3 phase panel next to a separate single phase 100 amp panel that is being used by one residence. This space has been used as a carpenter shop and an office in the past. Now it is being ...