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0
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1answer
34 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
105 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
77 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
62 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
73 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
66 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
71 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
71 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
68 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
234 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
57 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
31 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
59 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
74 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
111 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
189 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
118 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
116 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
117 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
122 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
63 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
142 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
74 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
667 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
44 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
82 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
859 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
196 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
487 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
784 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
138 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
623 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
359 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
2k 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
501 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
101 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
497 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
3k 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 ...
1
vote
2answers
77 views

Grounding subpanel to box - 'tap threads'

I've installed a subpanel and need to ground the grounding bar to the actual panel box. I was instructed to run a #6 jumper to a hole on the box, attach with a screw, making sure to 'tap threads'. ...
0
votes
1answer
248 views

Adding electrical service to detached garage

Please let me know if this sounds correct- Sub panel fed from 80amp breaker in main building 200amp load center. Roughly 75' of 1" PVC conduit from existing load panel, under existing timber deck, ...
1
vote
0answers
63 views

Sub Panel Remote Control?

I would like to know if it is possible to have a relay control power to a sub panel? I am thinking of wiring a cottage with most of the lights in one sub panel. I would like to be able to power this ...
3
votes
2answers
576 views

subpanel ground requirement - attached vs unattached structure - what difference does it make?

Subpanel in the garage is currently fed by 10-2 w/ground romex and is grounded both at the main panel via the ground wire and to the plumbing next to the subpanel (underground iron pipe). I want to ...
1
vote
1answer
443 views

Should both ground and neutral in an electrical subpanel be bonded to the service ground?

I put in a 100 AMP sub panel from a 200 AMP service. The neutral and ground are separated in the sub panel. Would this bond the sub panel to the ground and neutral coming from service ground wire? I ...
2
votes
1answer
3k views

Sub panel and neutral and ground bus bar

Some HVAC people under previous home owners put in a sub panel box and ran the AC as well as some lighting and outlet circuits from the sub panel. The bus bars on the two sides of the panel box were ...
1
vote
0answers
159 views

Sub panel cable feed code

The inspector failed the sub panel box location because it only had 6 feet clearance and not 6.5. The electricians came and moved the sub panel box, but they did not run a new feed cable. They put a ...
3
votes
1answer
16k views

Why does a subpanel need separate ground and neutral?

Why does a power sub panel have to have separate neutral and ground bars other than code satisfaction? Does a sub panel need a main breaker if there is one at the main? Also, does the sub panel ...
2
votes
3answers
440 views

Can I replace the main breaker in an electrical panel with a smaller one?

I have an older 60amp fuse box in a rental property that is wired as a sub panel off my main 100amp service. I would like to upgrade to a new circuit breaker panel so tenants can not pull out the ...
3
votes
3answers
923 views

What is wrong with this panel wiring?

I have a main breaker panel downstairs, and a subpanel upstairs. After I hired an electrician to rerun the service entry cables, nothing upstairs is right, and all the upstairs lights blew as soon as ...
1
vote
0answers
7k views

What size wire do I need for a 100amp underground 300 ft run?

I want to put in a 100amp subpanel in my garage. The run will be underground and 300ft long. I have a Siemens panel with breakers rated at 60/75 deg C. What is the proper wire size I need? I was ...
3
votes
3answers
518 views

Why am I getting no power to the branch circuits with a new sub-panel?

My home had an ancient Zinsco sub-panel in which the breakers were grounding out and arcing to the panel. I've swapped it with a new Eaton 100 amp panel. I've re-installed all the breakers, and ...