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A journey into the workshop. #51: Working with the master electrician...

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Blog entry by dbhost posted 03-19-2010 08:37 PM 845 reads 0 times favorited 7 comments Add to Favorites Watch
« Part 50: What's on the bench... Part 51 of A journey into the workshop. series Part 52: Projects at a standstill. New shop items on order, by order of SWMBO... »

I am so completely grateful that I have friends that are master electricians, I know this is a luxury. So it has taken some time bantering back and forth, mostly due to me not fully understanding the process, and probably him milking this project for all the beer he can get…

So a 70 amp load center / breaker panel from Square D has been ordered, as has the breakers, grounding bus, cable etc…

But the most important part. The plans for the permit have been finalized, and we should be filing for permits here in a week or so…

Since 70 is the most I could tap off the house main safely, 70 is what I am going with…

3 20 amp 110V circuits, and 1 20 amp 220 is what is planned.

Getting closer and closer. Knowing my luck, I’ll have it all done, get a shed put up and LOML will want to turn the garage into her craft room…

-- My workshop blog can be found at http://daves-workshop.blogspot.com



7 comments so far

View Jim Bertelson's profile

Jim Bertelson

3661 posts in 1819 days


#1 posted 03-19-2010 10:26 PM

Gotta have the juice, David. Plug it in, man.

You know me, gotta have sockets and circuits everywhere. Glad to hear there is some real power coming in there. It sounded a little weak before. Doing a little Sketchup design, or trying to, for some Tote stuff. I will probably get tired of it and just wing it though…........I have done too much cerebrating this week on the job.

-- Jim, Anchorage Alaska

View HokieMojo's profile

HokieMojo

2101 posts in 2383 days


#2 posted 03-19-2010 10:33 PM

just wondering what kind of service you have running into your main? do you have 250 amp service? How did you calculate that 70 is the max? I’m not questioning your figures, I’m just curious how you were able to figure this. thanks!

View dbhost's profile

dbhost

5385 posts in 1886 days


#3 posted 03-19-2010 10:59 PM

Something I didn’t mention.

According to the Master Electrician, and the power company, I have 250a service coming to the meter, and presently a 150A main box.

The main box got damaged during Ike (watertight is no longer watertight), and is being replaced with a 200.

The ME is the one that came up with the 70 amp number. Just going with his figures…

This configuration keeps everything safe, makes the insurance company and the city permit people happy, and still leaves me a bit of headroom.

There is LOTS of electric power in my neighborhood, even though I live where the petrochemical industry is king, my neighborhood is all electric… (And I curse that every winter when my heater runs…)

Anyway the plan is to swap the main box over to the 200A box, leaving the slots for the sub panel feed breaker empty (for now). fence goes in, which should happen soonish, the Stump Out is about 50% working, I still can’t get it to light though… Anyway get the fence in so that I can clear the side of the shop the sub panel and circuits are going in… Then clear the rest of the msic stuff out of that side of the shop. Basically shove the entire shop along the south wall, tear out the sheet rock on the north wall, run the sub panel, and outlets, insulate, pass inspection, re-rock it, pass final inspection, paint, install lumber racks, tool stacker, DC and duct work, and move tools to north wall, strip north wall of shelving, clamp racks, tool racks etc… and strip out the bad sheetrock. Insulate, re-rock, paint, re-mount clamp racks, shelves, bins, etc…

-- My workshop blog can be found at http://daves-workshop.blogspot.com

View HokieMojo's profile

HokieMojo

2101 posts in 2383 days


#4 posted 03-19-2010 11:27 PM

makes sense. thanks for the info.

View Jim Bertelson's profile

Jim Bertelson

3661 posts in 1819 days


#5 posted 03-20-2010 01:21 AM

David
You are running a neater electrical ship than I am, although mine is code. When I tear down the old cabinets and that old built in bench, I am going to also either do the same thing you are doing, or run in conduit. Havent’ decided yet. I kinda favor new sheet rock in much of the shop, since it is beat up, and bring the shop and garage into line with the quality of the rest of the house. I would probably have someone else come and do the sheetrock although I might do the electrical. Not sure.

Want better placement of outlets and more of them. Since there are only a couple of things running at once that are real draws, like the DC and one of the saws, the total amperage pull isn’t that bad. And I have the saws and the DC on their own 240 circuits. So the 120 circuits don’t really have a too much load. The lights are probably the biggest load other than the 240 stuff. I am blessed with two subpanels in the garage area, which gives me a lot of options…......one was already here in 1985, the other was put in in 1991 for another addition. The one that was put there in 1991 fires two dedicated circuits to my computer desk as of a few years ago, since as the wire flies, it is quite close to my study.

Building a tote for some T-allen wrenches, and replacing my old Q&D that sits next to my soldering station, magnifying light, etc. I realized I had two rulers on my measurement tote that I really wasn’t using anymore, and the 18” Incra precision rules, all three, would fit neatly in the freed up slots. The old rulers will go on the RAS dedicated tote. Those precision rules from Incra are the cat’s meow.

I am building the totes out of 1/2 inch MDF with routed dados for the joints, glued. They are so tight I won’t need any other fasteners. Finish them up tomorrow morning. I am now resting at the computer, creating verbal mayhem as usual.

-- Jim, Anchorage Alaska

View dbhost's profile

dbhost

5385 posts in 1886 days


#6 posted 03-20-2010 09:46 AM

My sheet rock is coming down due to prior damage (flood) before I owned the house. It appears that there was a roof leak that was fixed, but the rock in the garage never was… This gives me a good reason to remove the sheet rock and put in the insulation and electrical…

I am planning on the electrical runs thus…

240V feeder goes to nothing initially. Most likely candidate will be a 18K BTU LG Air Conditioner with heat… I may eventually upgrade to a bigger table saw / or dust collector, but will upgrade circuits from 110V hook the other side of the bus up….

The remaining circuits are going to be for 20 Amp for the DC, 20 amp for the main tool running, and 20 amp for the off possibility of needing the shop vac at the same time… Or maybe a shop radio or whatever…

-- My workshop blog can be found at http://daves-workshop.blogspot.com

View Jim Bertelson's profile

Jim Bertelson

3661 posts in 1819 days


#7 posted 03-20-2010 06:03 PM

My sheet rock has just suffered general abuse over the years, mostly form me…......the product of living in the same house for 25 years. So it may be easier to remove it than patch and repaint it. Then I could run wire very easily before it goes back up. I suspect it might solve a number of self created issues for me. But, we’ll see.

Sounds like you have plenty or room to add more circuits. I have a lot of circuits, but not much is running at one time, unless you count battery chargers and such. Getting stuff on 240 seems to have eliminated any overload issues, although I have never had a breaker go off.

-- Jim, Anchorage Alaska

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