COMMUNITY FORUM

WDaniel1

11:27PM | 02/03/07
Member Since: 02/03/07
1 lifetime posts
Bvelectrical
I'm finishing a 13x13' room in a friend's basement. I finished my own basement including the electrical that involved installing a six-circuit sub-panel with a 60-Amp feed from the main panel located in the garage. All was Code compliant, so I am reasonably fluent in household electrical wiring.

With my friend's basement, I plan to use grooved 1" or 1.5" rigid foam board. I will secure the foam board on to the poured concrete slab walls with 1x3" furring strips via a powder actuated gun and drive pins. Standard one-half inch drywall will follow.

Does Code allow slitting the rigid foam board insulation and pressing sheathed electrical cable into the slitted cavities? Or, does Code require running conduit down along the furring strips (outside the drywall) to an electrical outlet? If the former is allowable, what kind of outlet boxes would you recommend along with how to fasten them given the situation described?

Thanks.

Billhart

05:09AM | 02/04/07
Member Since: 04/25/05
1915 lifetime posts
This is similar to wiring an insulated concrete form (ICF) house.

Common practice is to cut a slot for the wire and then use a few dabs of foam to hold it in place.

These reference that I am linking to show a special box, but on also shows using a regular Carlon box (blue). But note the tab on side. That tab will be screwed or nailed to the front of the furing strip.

NM does not need to be protected if it is more than 1 1/4" from a nailing surface (furing strip). Run it several inches from the furring strips and then over to the box.

Also note that these boxes have to be shallow. So, at least in some places, they used a 4 sq box and then put a single gang mud plate on it. That gives you much more space for box fill.

http://www.amvic-pacific.com/Downloads/Tech%20bulletin%20-%20Electrical%20Installation.pdf

http://www.icfelectrical.com/icf_electrical_box.asp
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

Anonymous

Post_new_button or Login_button
Register

If you have a spare desk sitting around, you can easily convert it into a custom vanity. Cut away the back portion of the ... Filling an underutilized area beneath the stairs is a smart way to save space. Doing so with a stash of wood, however, is ... The Audubon Society inspired wallpaper in this Adirondack-styled entryway will get you in the outdoor mood. Grab your coat... Chalkboard paint opens up endless possibilities for customizing your dresser time and time again. Use chalk to label the c... A fireplace in the bathroom creates the ultimate setting for relaxation. Homeowners often choose electric or gas over wood... 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... A kitchen in a greenhouse—who wouldn't enjoy spending time in this light-filled space? Details that enhance the conservato... Chalkboard paint features prominently in this elegant yet unpretentious headboard design. Add a new message daily to reflec... Twine lanterns add pops of crafty—but sophisticated—flair to any outdoor setting. Wrap glue-soaked twine around a balloon ... The indecisive homeowner need not fret over choosing one (or even two) cabinet colors. The kitchen cabinets in this artist... Incorporate nature into your lighting scheme by securing a dead tree in a concrete mold and draping your pendant lamp from... Simple and striking, a couple of pieces of "lovingly used" furniture creates a special kind of charm. A weathered chair fo... The Infinite Artisan Fire Bowl from Eldorado Outdoor is made from glass-fiber reinforced concrete, and offered in Oak Barr... The vibrant green of Granny Smith apples make a beautifully natural alternative to the traditional evergreen wreath. Brigh...
Follow_banner_a
Newsletter_icon Google_plus Facebook Twitter Pinterest Youtube Rss_icon
 
webapp2