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Why Does Running Power to a Detached Garage Feel So Complicated?

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alee31
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(@alee31)
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I hear you on the sticker shock—copper prices are wild lately. I do wonder, though, if 60A might feel tight if you ever want to add, say, a kiln or something heavy-duty for a hobby. I’m always thinking about future flexibility, especially for lighting upgrades or built-ins down the line. But yeah,

“most tools don’t run at the same time”
is spot on. For most setups, 60A does seem to cover the basics without overkill. Just can’t help but play the “what if” game when planning spaces...


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Posts: 8
(@rgreen35)
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Yeah, the “what if” game gets me every time too. I went with 60A for my shop a few years back, thinking it’d be plenty, but now I’m eyeing a small welder and maybe an EV charger down the road... starting to wonder if I should’ve just bit the bullet and gone bigger. Curious—has anyone actually maxed out their 60A panel in real-world use, or is it mostly just peace of mind having extra capacity?


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zmeow79
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(@zmeow79)
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Honestly, I’m kind of in the same boat—ran 60A out to my detached garage thinking it’d be more than enough, but once you start adding up a compressor, a welder, and maybe an EV charger, it gets tight fast. I’ve tripped mine a couple times when running the heater and the table saw together. It’s not a dealbreaker, but it does make me wonder if going 100A would’ve been smarter from the start. Out of curiosity, have you mapped out your typical load, or are you just going by what you “might” use down the line? Sometimes the real-world numbers are less scary than the what-ifs…


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cyclotourist64
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(@cyclotourist64)
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I hear you on the “what-ifs”—I did the same mental math when I wired up my old carriage house. Thought 60A would be overkill, but then winter hit and suddenly the heater, lights, and my ancient bandsaw were all fighting for juice. I ended up jotting down what I actually used over a few weekends, and it was less than I feared, but those rare moments when everything’s running... yeah, it gets dicey. If you’re not tripping breakers often, you’re probably fine, but I do wish I’d left myself more headroom. Funny how these projects always seem simple until you live with them for a bit.


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zeus_harris
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Man, I’ve been there—thought I was being clever running just a 40A line to my first detached garage. Figured, “How much could I possibly need?” Fast forward a year and I’m out there with a space heater, compressor, and the wife’s chest freezer humming away. Next thing you know, I’m in the dark mid-project, cursing my past self for not thinking bigger.

It’s wild how those “rare moments” when everything’s on at once sneak up on you. I always tell folks: plan for what you *think* you’ll use, then add a buffer. But honestly, it’s tough to predict what future-you will want out there. Ever had to upgrade your panel or run a second line after the fact? That’s a headache I wouldn’t wish on anyone... Curious if you ever considered solar or a subpanel with load-shedding? Sometimes I wonder if that’d be less hassle than trenching again.


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