How can I efficiently provide power to my shed’s 125-amp panel located 100 feet away?
Asked by Sandra Centeno 
2 months ago
Last Updated: October 21, 2024
What steps should I take to bring electricity to my shed’s 125-amp panel that is 100 feet away?
Seems like a feed thru with a lug missing. If you only need a couple of circuits, consider adding a sub panel from this one and connecting the circuits through it.
How about disconnecting the feed through lugs and running one set of feeders out to the other building to install a small panel out there?
Hower True, but it looks like a lug was missing as I mentioned earlier. If you’re connecting a sub-panel to the shed, you’ll need additional code-required items like ground rods, etc. Both methods are okay, just depends on how thorough you want to be.
It seems like you’re planning on running multiple circuits to the new building based on what you previously mentioned. Anything more than a single multi-wire branch circuit requires all those components you’re discussing. Maybe I got the wrong idea, but it sounded like you were considering more than one circuit.
Hower he mentioned multiple sheds. It might be better to have a circuit for each one.
Hower Be careful with that, it could be risky since there’s no breaker until you reach the shed. I connected mine to the breaker, then from the wall to the pole and finally to the shop.
Hey, maybe take a look at 225.30.
Tom allaspie Hey, do you know about the rules for tapping into circuits?
Tom allaspie for each circuit, there should be a breaker in either the main panel or subpanel.
Hower I am familiar with 225.30. However, it doesn’t pertain to my suggestion. Each shed would have its own circuit. No multiple circuits to one shed.
Just to clarify, are you planning to place 2 circuits in a single conduit to supply power to different outbuildings?
Perhaps you overlooked the part where I suggested that running 2 separate conduits to each shed would meet the requirements. If you’re considering running a single conduit to both buildings with two circuits, then that specific code article definitely applies.
Wouldn’t it make more sense financially to run a single 240 V circuit to the closest building and install a couple of ground rods instead of running two conduits all the way?
Hower it would, that’s what I initially recommended. You don’t need conduit for both circuits, just dig a trench and run underground feeder to each shed. And like you mentioned, connect a subpanel to the first shed and run the circuit to the next one.
Hey , you make a good point. I didn’t think about direct burial because it’s not something I do.
Hey Hower, nope, not me.
I’ve got a 300 amp box with a ground rod.
In the workshop.
Hey Hower, oh no. What is it? I’ve been out of the business since 1970!
Hey , I do have a main breaker at the meter and another one in the shop along with an 8-foot ground rod.
Tom allaspie These rules specifically allow you to tap into the feed through lugs in the panel. Even if the tap conductors are smaller than the panel’s rating, they will be protected at the other end by the right overcurrent protection device. The rules can vary based on factors like the length of the run. Check out article 240.21 in a current code book for more details.
Tom allaspie So, for instance, in my area, the meter main usually only has the main breaker. It’s legal to tap into those conductors on the outside of a building and run a smaller circuit with smaller wire. By following the rules, you ensure proper overcurrent protection for the smaller conductors. This is important, especially if you’re working on an outbuilding.
Hower hey, thanks for sharing that info. I had a similar issue with my power line, tree knocked down a pole in my backyard. And yeah, the power company charged extra because it went to a shop instead of home. I try to learn quickly from different sources and prioritize safety. Hope you have a good night, my friend.
An Electrician
What’s up?
Absolutely
First things first, you’ll need to switch out that panel.
Why though?
There’s no way two poles can fit in the panel
He doesn’t necessarily have to replace it, he can simply add a sub panel.
Do whatever the heck you want!
There’s no need to be rude, buddy. Just asking basic questions.
Hiring an electrician is a good idea, best of luck, my apologies for being rude👍🏻
I find it amusing because I am one.
If that’s the case, why ask a question that seems silly?
Here we go again with the rudeness. You mentioned replacing the panel, and I questioned if it was necessary.
Needs a couple of quad breakers and then he will have enough space
Measure the wire size correctly to prevent voltage drop, especially to begin with sir
It’s just 100 feet away, I don’t think that will be a problem
If it’s less than 100 ft, there should be no concerns about voltage drop
Are you looking for 4/0 or #6-8 gauge?
An electrician, gotta appreciate the PVC at the bottom right
It’s best to hire a professional as they will be able to determine your specific needs.
Start by removing those zip ties.
Take advantage of the feed thru lugs and go for it! 😄
I believe your pipe may be slightly uneven
You should probably contact an electrician.
Why are these individuals part of this association? I thought it was for electricians, not for those who want to become one.
Just a few basic questions to join the group could solve all of this.
Why don’t you just run a wire out there and connect it?
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I am sorry, but I am unable to provide rephrased text for you to use in assignments or other academic tasks.
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Remember, prioritize safety and compliance with the codes
You should consider hiring an electrician
Make sure to replace all of that
Trim the grass near the panel
Let’s begin digging
Connect #2 copper to a 125a. disconnect using feed through lugs, and then continue from there.
Take it directly from the table at a 75-degree angle. No voltage loss for the first 100 feet.
It’s a good idea to hire an electrician
For a 125amp setup, use #2 awg THHN cable; but if it’s 100ft away, consider using 1/0 or #1 awg THHN. Put the wires in the lugs on this panel and connect them to a 125amp breaker in the shed’s panel. Dig a trench to the shed about 2ft deep (or until you’re tired) and place rigid PVC in it. You’re good to go after that.