COMMUNITY FORUM

Tom M

05:25PM | 10/17/98
Bvelectrical
I'm going to construct a small workbench area and want to run two new circuits to the area. I've thinking about using 14/2 with ground for a 20 amp system. Is this size wire large enough or do I need to use 12 gauge?
Thanks. Tom M

Billy

05:16AM | 10/18/98
Tom,
If u require a 20amp system you dont have to use 12 wire but you do have to use 12 wire if you want to comply to code. If you are taking the trouble to run thourgh the wall and into the attic etc. instead of conduit exterior to the finished walls you should use a 12/3 wire just incase you require another curcuit at a later date.
Billy

BobF

04:37AM | 10/20/98
Tom,

Physics require 12-2 wire for for 20amp circuit. The code is not written to be annoying.

Do not even think of using 14 guage wire with a 20 amp breaker unless you are looking to collect on your fire insurance. You are defeating the purpose of the breaker. A breaker is supposed to trip before the wire overheats. Size 14 wire cannot handle 20 amps. A saw and shop vac can easily overload the 14 wire.
You must use 12 guage wire for a 20 amp breaker. 12-2 is ok. 12-3 is used for 3-way switches and getting power to a switch at the end of a circuit.
Since this is for a workshop - get industrial grade outlets. If there is water nearby, get a 20amp GFCI. They cost more but what price is a life?

Shawn

04:23AM | 10/23/98
Tom, Bob is correct. 20Amp circuits in a home require #12 wire. This list may help you in the future.

Home wiring.....

#14 - 15 amps max
#12 - 20 amps max
#10 - 30 amps max
#8 - 40 amps max

The circuit breaker or fuse is sized to protect the wire. But, don't always assume that because someone has a #12 wire protected with a 30amp overcurrent device that it is wrong. A wire's ampacity and a max voltage is determined by the insulation protecting that particular wire. Some size 14 wires can handle 30 amps... House wire or sheathed electrical cable is similar to THHN or MTW wire insulation. Hope this helps, but definately run a #12 wire if you want 20 amp service!

Tom M

12:25PM | 10/23/98
Hey Folks,
Thanks a million. I'm heeding all of the advice. Again, appreciate the response.
Tom M
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

Getting a game of horseshoes together is as easy as driving two stakes into the ground, exactly 40 feet apart—the regulati... It turns out that many bath and kitchen cleansers contain chemicals that are dangerous to the skin and eyes, and often pro... So often we paint tiny nooks white to make them appear larger, but opting for a dark, dramatic wall color like this one—Be... Chocolate-colored walls and large window frames allow the exposed wood beams to take center stage in this small screened p... 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... There’s nothing like a new set of cabinet hardware to refresh a room. The possibilities are endless: Go modern, rustic, or... 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... Like no other floor type, a checkerboard design works wonders to underscore the retro kitchen theme. Vinyl flooring, ceram... 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... If you put the washing machine in the mudroom, you can stop the kids from walking through the house in dirty, grass-staine...
Follow_banner_a
Newsletter_icon Google_plus Facebook Twitter Pinterest Youtube Rss_icon
 
webapp2