Carlon 1-Gang 20 cu. in. PVC Old Work Box-B120R - The Home Depot


Model # B120R

Internet # 202077323

Store SKU # 141206

1-Gang 20 cu. in. PVC Old Work Box

Carlon 1-Gang 20 cu. in. PVC Old Work Box

This item has been discontinued.
The Home Depot no longer carries this specific product.

$1.96 / each


Model # B120R

Internet # 202077323

Store SKU # 141206

The Carlon Zip Box Blue 1 Gang 20 cu. in. Old Work Non-Metallic Switch and Outlet Box is designed to work with non-metallic sheathed cable in accordance with Article 314 of the National Electric Code. Great for light commercial and residential applications, the box is crafted with non-conductive PVC for durability and is fire rated and UL listed to help ensure safety.

  • Use for old work applications in residential or commercial remodeling projects
  • Designed for use with non-metallic sheathed cable and listed for masonry walls
  • Sized for standard devices and switches and extra capacity for wiring and larger devices
  • Thermoplastic construction resists rust and will not conduct electricity
  • Built-in cable clamps hold wires firmly in place
  • Mounting ears, swing bracket and captive nails provide wide range of installation options
  • PVC construction is classified for 2-hour fire wall rating
  • Meets NEMA OS-2, UL listed UL514C, E11461 and R9140

Info & Guides

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Assembled Depth (in.)  4.3 in  Assembled Height (in.)  3.75 in 
Assembled Width (in.)  2.32 in  Product Depth (in.)  4.3 
Product Height (in.)  3.75  Product Width (in.)  2.32 
Trade Size (in.)  Other 
Box Type  Wall box  Color Family  Blue 
Electrical Product Type  Box  Material  PVC 
Number of Gangs  Number of Knockouts 
Package Quantity  50  Packaging Type  Consumer Packaging 
Power Distribution Features  Fire Rated  Product Weight (lb.)  0.21 lb 
Returnable  90-Day 
Warranty / Certifications
Certifications and Listings  1-UL Listed  Manufacturer Warranty  No 


Rated 4.2 out of 5 by 6 reviewers.
Rated 5.0 out of 5.0 by Best box for drywall For any DIYers out there that have drywall in their homes, I highly recommend that you have a few of these boxes on hand. Installing an electrical box after the drywall is already up can be challenging, but this box helps to take away some of the difficulty. You have the freedom to install this box anywhere on the wall, rather than only next to a stud. There is no need to nail anything into place and this box, when tightened, holds securely to the wall. This box works great for retrofitting your home for wall mount televisions, installing additional light switches, adding outlets in places like the garage, and many other potential uses. October 8, 2013
Rated 5.0 out of 5.0 by Love these boxes Over the years I've used hundreds of these. They're inexpensive and once installed they're rock solid. These require 2 x 4 or 2 x 6 studded walls. For 2 x 3 studded walls use the 14 CU, IN. shallow box. May 30, 2014
Rated 4.0 out of 5.0 by good retrofit box Retrofit old work box. The extra depth makes wiring a little easier when using 12/2 awg. I found that I had to screw the tabs in a little before putting in the wall or the tabs won't start turning correctly. They're made with just two tabs (one on top and one on bottom). Wish they had four tabs on them like the 3 gang boxes. They squeak a little when tightened to the drywall. Overall a great retrofit product. June 10, 2014
Rated 1.0 out of 5.0 by Fragile tabs Fragile tabs - they broke off either when tightening the box into the wall -- before the box was flush - or when the plug was un-plugged December 21, 2014
Rated 5.0 out of 5.0 by Perfect sized box for times or many junction connections Simple to use, just cut a hole in the wall, fasten using upper and lower wing screws, and your done. November 29, 2011
Rated 5.0 out of 5.0 by this is a great item for the DIY generation this was an item I needed to complete a renovation project February 7, 2014
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