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0
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1answer
22 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 ...
1
vote
1answer
40 views

How can I replace an I-T-E panelboard?

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
357 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 ...
3
votes
2answers
41 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
55 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?
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votes
2answers
56 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
34 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
45 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
29 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
26 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 ...
0
votes
2answers
79 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 ...
2
votes
2answers
51 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
68 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
479 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
101 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 ...
1
vote
1answer
96 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
votes
2answers
85 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
74 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 ...
0
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2answers
131 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
105 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
79 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
374 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
74 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
32 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
votes
0answers
76 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 ...
1
vote
0answers
95 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
121 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
323 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
145 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
152 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
votes
0answers
152 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
169 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
65 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
188 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
0answers
87 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
829 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
54 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
votes
2answers
88 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
votes
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
241 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
692 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 ...
1
vote
0answers
166 views

Feeder type and size for 60 amp. subpanel

Is it possible/recommended to use E18679 (UL) ROMEX SIMPull AWG 6 CU 3 with AWG 10 ground Type NM-B 600 volts as feeder from a 60 amp breaker to install a subpanel? Subpanel will be located in ...
2
votes
1answer
1k views

What size feeder do I need for a basement electrical subpanel?

I would like to know what size and type of feeder wire and feeder breaker do I need for my basement subpanel where I am planning to add six 15 Amp circuits, and three 20 Amp circuits. This will be 2' ...
2
votes
1answer
441 views

How can I make 3 wire sub-panels compliant with current codes?

The sub-panels in my house are all split-phase 3 conductor with neutral and grounds mixed. Is there any way to make this compliant without running new 4 conductor feeders? (Some of the feeder cables ...
2
votes
1answer
7k views

What size wire should I use for a 60amp subpanel?

I am installing a 60 amp subpanel in a workshop in my backyard and I will have 2 - 20 amp services with 4-5 outlets on each and 1 - 15 amp service for lighting. The length from the main panel to the ...
3
votes
1answer
627 views

Should I connect the bare ground wire from the main panel to the grounding bar in the subpanel?

I have a main panel that was converted to a sub panel when a new Main Panel was placed in a new addition to the house. So now, the subpanel appears to have two grounding wires connected along with ...
0
votes
1answer
103 views

Electric line to subpanel

I'm running 2 100 amp 110 lines 35 yards from my well house main to a sub panel in my garage. Do I need to run a ground wire and a neutral wire or can I just run one of them from the sub panel to a ...
3
votes
1answer
577 views

Can I add a sub-panel near the main disconnect outside my house?

I have an outside main disconnect of 125 amp and a inside main panel. The disconnect panel outside has an extra space that will accept a dual pole breaker. What I would like to do is add a sub-panel ...
3
votes
2answers
4k views

Sub Panel Install - Main Panel Full

I am looking into installing a sub panel in my basement which will be used to feed electrical circuits to the basement that is currently unfinished. I have an 150 amp main panel and was thinking of ...