COMMUNITY FORUM

jestr42

09:35AM | 11/23/05
Member Since: 11/13/05
1 lifetime posts
Bvelectrical
Just finished my 12x20 detached workshop which sits 25' from the corner of my house (on the opposite end from my elecrical box). Outside Electrical box is 75' as the crow flies. I want to be able to operate my table saws, drills, lights, etc. What size wire and Amps do i need to run to the box I'm installing in my shop. My saw is 20 amp as is most of my larger tools. You all know the normal loads i'm sure.

Any help would be greatly appreciated.

Thanks, RON.

aroger001

09:51AM | 11/23/05
Member Since: 11/22/05
2 lifetime posts
add up the watts of all the tools you are going to use by multipling the amps x the volts to find out how many amps you need.

There's more to the formula.

You can ask or find it here

http://www.selfhelpforums.com/

This is basically an electrical forum.

These guys answer quik.

They's lots of info there.

good luck to ya

_______

Alex


Tom O

01:54PM | 11/23/05
Member Since: 09/17/02
477 lifetime posts
Ron,

At a minimum, 60 amps.

If you'll send me your e-mail address, I'll send you a FAQ that deals with sub-panels in detached buildings. It covers wire sizes, burial depths, grounding, etc.

Tom45acp@aol.com

Billhart

08:15AM | 11/24/05
Member Since: 04/25/05
1916 lifetime posts
That is the largest combination of equipment that will be operating at ONE TIME.

Typically that will be a table saw (plan for a 3 ph cabinet saw even if you don't have one now) and dust collector. Plus lights and heat/AC.

Typically that comes up to about 30 amps. A 50-60 amp feed will be fine in most case unless you are doing welding. Maybe some ceramic kilms require more power.

But get a 100-125 amp sub-panel. You can get ones with more slots.


justin5959

06:58AM | 07/28/07
Member Since: 07/27/07
2 lifetime posts
depending on your incoming service size, i would install a 50 to 100 amp sub-panel. if you only have a 100 amp service, install a 50 amp sub-panel. if its a 200 amp service, install a 100 amp sub-panel. for wire sizes, you can't figure "as the crow flies." you have to figure total length of conduit. the rule of thumb is for over a hundred foot run, step up the size one gauge. for a hundred amp service, you'll need to run number 2 with a number 6 ground. and step it up a size if your run is over a hundred feet. oh, and chances are, you don't even have a 3 phase service if this is residential.

Billhart

07:16AM | 07/28/07
Member Since: 04/25/05
1916 lifetime posts
First you did not indicate if the wire size is for copper or AL.

But table 310.15(b)(6) is limited to residential service laterals and feeders.

It can't be used for a sub-panel for a shop.
Click_to_reply_button
Inspiration_banner

INSPIRATION GALLERY



Post a reply as Anonymous

Photo must be in JPG, GIF or PNG format and less than 5MB.

Reply_choose_button

captcha
type the code from the image

Anonymous

Post_new_button or Login_button
Register

This thin bamboo panel, which appears to float in midair, lets dappled sunlight pass through to the seating area below. Th... Reused steel windows create an eye-catching splashguard in this walk-in shower. The vintage factory windows bring an inter... A galvanized steel tub is a surprising but charming fixture in this bright and breezy screened patio. It's perfect for was... If you're not crazy about the idea of commingling plants and pool, this modern variation may be more to your liking. The s... Yes, a freestanding garage can become its own tiny house. Artist Michelle de la Vega has all the comforts of a modern resi... If you lack plumbing skills but have a good sturdy tree, here's the easiest outdoor shower solution of all: Simply attach... Pursue what's known as the stack effect. To achieve it, open the windows on both the upper and lower floors, and as warm a... How do you like this smart use for an old bottle? Clamp an empty wine bottle to a fence or wall near your outdoor deck or ... Simple and striking, a couple of pieces of "lovingly used" furniture creates a special kind of charm. A weathered chair fo... Twine lanterns add pops of crafty—but sophisticated—flair to any outdoor setting. Wrap glue-soaked twine around a balloon ... When securely fastened to a tree or the ceiling of a porch, a pallet and some cushioning make the ideal place to lounge. V... Incorporate nature into your lighting scheme by securing a dead tree in a concrete mold and draping your pendant lamp from... For the cost of a can of exterior paint , you can totally transform your porch. Paint the floor a hue that complements yo... In this urban apartment, a standard-issue patio became a serene and green perch by replacing the typical concrete with gro... This garden shed has been decked out to the nines. Designer Orla Kiely created the intimate home for a flower trade show, ...
Follow_banner_a
Newsletter_icon Google_plus Facebook Twitter Pinterest Youtube Rss_icon
 
webapp2