I am building a detatched garage about 75 feet from my attachedgarage. I have my main panel and a sub panel beside each other in myattached garage. The sub panel only has my small upstairs heat pump/air conditioner for a bonus room hooked to it as well as a 50 amp plugfor a small welder I almost never use. Can I run a sub panel in my newdetached garage/workshop from the sub panel in my current attachedgarage?If so, do I need another ground rod at the detached garage?If it helps, I can remove the 50 amp welding plug because I only planto wel in the detached garage anyway.I have 200 amp service in my main panel. I think the sub panel next toit I bought was either a 50 or 100 amp panel but like I sais, the onlything on it is the 1.5 ton heat pump. It is usually turned off as theupstairs is a play room for the kids.I added the sub panel because all of the breakers in my main pannelwere almost full.

Yes you can run from your existing subpanel to feed the unattached garage. Yes you need to install a ground rod at the panel in the unattached garage (NEC article 250.32). You also do need to run a ground conductor between the panels. (If you were only running a single or multi-wire branch circuit to the unattached garage, you would not need the ground rod.) Keep in mind that in both subpanels, the neutral cannot be bonded to the metal enclosure, or any of the ground conductors.

2 sub pannels?

Jul 13, 2009 42 Replies

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Rich. 17 years ago

I use a flowbee it works awesome, and with 4 kids, it has kept a lot of extra cash in my pocket over the years.

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Michael A. Terrell 17 years ago

I use the clippers from Harbor freight right now. I have a new set of Wahl clippers in reserve. I wear a burr most of the time, because of the heat is bad, year round. I don't need to look too close, because it needs trimmed within three or four days, anyway. :(

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gfretwell 17 years ago

You can't route the low voltage through the same conduit or box as the line voltage. I am only questioning the 6" separation Tom spoke of.

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