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1 vote

"Main" panel wiring

It depends. What they gave you is called an "All-in-one" (meter+main+breakers) - but more specifically it's a type called a "Ranch panel" or "Trailer panel" which aside ...
Harper - Reinstate Monica's user avatar
3 votes

Proper way to extend circuits to subpanel

You can add accessory ground bars all day - that's not a problem. The panel labeling will list models for which the panel is pre-drilled. If your neutral+ground bar on the main panel is full, ...
Harper - Reinstate Monica's user avatar
4 votes

Can I add a 100 amp subpanel off my 200 amp service?

Utility peak data does not work You're looking to use peak data for a safety calculation. The problem is, the utility does not collect peak data, at all. What they collect is "average within a ...
Harper - Reinstate Monica's user avatar
2 votes

"Main" panel wiring

Since you have breakers other than the main here, yes, you need a 4-wire feeder to the house, and yes, the house is going to be a sub-panel with isolated neutral and ground. There are some cases where ...
Ecnerwal's user avatar
  • 218k
4 votes

Proper way to extend circuits to subpanel

Using the existing big conduit is cheapest and easiest. A couple of 50 ft reels of wire (black and white) and a box of wagos and a couple of hours. It leaves the left panel a bit crowded with wires ...
jay613's user avatar
  • 39.4k
2 votes

Proper way to extend circuits to subpanel

Cables/Extensions A breaker panel box is a junction box. So you have 3 options, depending on how much excess cable you have and the direction each cable is coming from to get into the main panel. The ...
manassehkatz-Moving 2 Codidact's user avatar
2 votes

Running cable to sub panel 125amp

I am putting a 125amp sub panel beside my main breaker and am figuring out the correct wire sizes. Key is "beside". If the new panel is close to the old panel, use metal conduit and you can ...
manassehkatz-Moving 2 Codidact's user avatar
2 votes

Running cable to sub panel 125amp

1/0-1/0-1/0-3 SER is probably your best standard configuration option for a 125A panel. Response to Is it normal..?: Your new 125A panel just can't be protected by a feeder rated at higher than 125A. ...
NoSparksPlease's user avatar
1 vote

Want to feed a new subpanel from a grandfathered subpanel

Whoa, just a minute there. This original subpanel that did not have a 4-wire feeder. Do any loads in it actually use neutral for anything? HVAC equipment generally does not. Because if they don't ...
Harper - Reinstate Monica's user avatar
1 vote

Exterior 125A subpanel for pedestal selection

A few things to consider: Anything outdoor-rated should be OK. That being said, I am not so sure (one of the professionals may have a definitive answer) whether a panel on a pedestal is normally ...
manassehkatz-Moving 2 Codidact's user avatar
1 vote

What is the recommended wire for a new 60Amp subpanel in a residential home

The answer is in an ampacity table: 6 AWG copper wires in conduit or SE cable 4 AWG copper NM cable 4 AWG aluminum wires in conduit or SE cable At these sizes, aluminum is generally much less ...
manassehkatz-Moving 2 Codidact's user avatar
5 votes

How to make a 150a sub panel work with a 200a main panel when the max breaker size if 125a

You said "I know that to pass inspection, the breaker feeding my subpanel needs to match or exceed the amp rating of the subpanel itself." Not true. The feed breaker's purpose is to protect ...
ArchonOSX's user avatar
  • 20.1k
8 votes
Accepted

How to make a 150a sub panel work with a 200a main panel when the max breaker size if 125a

I know that to pass inspection, the breaker feeding my subpanel needs to match or exceed the amp rating of the subpanel itself. This is incorrect "knowledge" and it is exactly the wrong way ...
Bart van Ingen Schenau's user avatar
6 votes

How to make a 150a sub panel work with a 200a main panel when the max breaker size if 125a

Actually, this is wrong. If the sub panel has its own main breaker, than it can be higher, lower or the same amperage as the feed breaker in the main panel. The feed breaker protects the feed wires ...
DoxyLover's user avatar
  • 12.7k
5 votes

Possible to convert disconnect to sub panel?

Breaker and Wire Size According to my favorite ampacity chart, 4 AWG aluminum XHHW is good for up to 65A. In theory that would use a 65A breaker. However, since 65A breakers are not a readily ...
manassehkatz-Moving 2 Codidact's user avatar
3 votes
Accepted

running new feeder from exposed-basement load center to basement wall-mounted subpanel, + adj. duplex receptacle, THEN outside for 2 deck circuits

Put the GFCIs inside, too. Even "weather resistant" ones die faster outside. If your LV needs are small enough, plug the transformer into one of those. If you need Moah Powah! just put two ...
Ecnerwal's user avatar
  • 218k
5 votes

POOL HOUSE AND NEC 225.30

One feeder per outbuilding Whoever specified running sixteen circuits to an outbuilding was not qualified to design electrical work. To start with, they wasted a staggering amount of money. Nope, you'...
Harper - Reinstate Monica's user avatar
3 votes

Best way to power a nearby shed from house?

Consider RMC conduit. The stuff is usually dismissed out of hand because it's pretty expensive compared to PVC. However, when you're only going 8 feet, that's not actually a pain point. The beauty of ...
Harper - Reinstate Monica's user avatar
2 votes

Running Electric to Shed

Your indication that you really want no room for the future, I will offer a minimalist scenario. UF is fine in crawlspace, you have to install following NM rules where not underground. Feed 12/3 Uf ...
NoSparksPlease's user avatar

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