Model # MM420C

Internet #100173013

Store SKU #234165

null 1-Gang Horizontal or Vertical Weatherproof Extra Duty While in Use Cover

1-Gang Horizontal or Vertical Weatherproof Extra Duty While in Use Cover

$737 /piece
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Product Overview

TayMac weatherproof non-metallic while-in-use device covers provide weatherproof protection when an outlet is in use. While-in-use covers are made are made from high-impact polycarbonate construction providing maximum durability. An attached gasket, mounting hardware, and installation instructions are included.

  • Patented quick-fit keyhole mounting system allows cover installation under a minute
  • Pre-configured for GFCI with patented knock-out technology for alternate devices
  • Horizontal or vertical mount
  • Lockable tab (1/4 in. shackle)
  • Extra duty rated
  • 16-in-1 configurations
  • 2-3/4 in. deep
  • NEMA 3R compliant

Info & Guides

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Product Depth (in.)
Product Height (in.)
Product Width (in.)
Trade Size (in.)


Color Family
Electrical Product Type
Weatherproof Box/Cover
Number of Holes
Package Quantity
Product Weight (lb.)

Warranty / Certifications

Certifications and Listings
1-UL Listed
Manufacturer Warranty
1 Year

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Customer Questions & Answers

can i lock this with a zip tie

someone keeps unplugging my outlet cords. and I need some thing like this to lock it in place.
Asked by: josh
Yes there is a tab with a hole for a lock with a max 1/4" Shackle.
Answered by: Hubbell Product Expert
Date published: 2015-10-30
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Customer Reviews

1-Gang Horizontal or Vertical Weatherproof Extra Duty While in Use Cover is rated 4.1 out of 5 by 17.
Rated 5 out of 5 by from Versatle, quick, easy to install I wish the personnel in the LaGrange, GA store were as capable as the product!
Date published: 2012-05-08
Rated 5 out of 5 by from Very easy and versatile installation; excellent protection This enclosure is very easy to install over an existing outlet, switch, or any other kind of electrical device, with dozens of different cutouts to match just about anything. It can be mounted horizontally or vertically (I have one each so far) and keeps whatever is inside completely dry, even when exposed to direct rainfall. I have used one to plug in a heated birdbath for five years so far, through some very heavy snowfalls, and the plug inside has never even gotten damp. I have never had a problem with the cover staying closed, and I am very GLAD it is easy to open. One of my outlets is in such a hard-to-reach location that I would hate to have to wrestle with a stiff latch to get it open. Besides, gravity will keep the cover closed even without a latch, unless you are trying to cram a huge plug or monster cord inside, in which case this is the wrong product. The same manufacturer makes a version with a deeper cover (see related product below) for situations like that.
Date published: 2011-10-07
Rated 5 out of 5 by from Excellent product Have purchased several for around the outside of the house. Would like to see it in white or maybe my store doesn't carry it in white but overall totally satisfied! Keeps the weather off the connection so I can run all my Cristmas toys this year. Thanks Home Depot!!
Date published: 2011-11-17
Rated 4 out of 5 by from Easy install, could be deeper This was easy to install. Removed the old plate, which was an outdoor with flip covers, loosened the box screws and slid this box on. Only issue is if you have a cord with a very heavy duty, long, flexible plug, the lid on the box doesn't want to stay closed. A half inch deeper would've solved that. However, it's an easy work-around. All in all, a good product. I feel better with the receptacle covered.
Date published: 2010-05-29
Rated 5 out of 5 by from Easy to Install / Easy to Use Easy to Install / Easy to use. Great for updating older receptacles
Date published: 2012-06-06
Rated 5 out of 5 by from great product This product works very well to keep my outdoor GFCI dry while the receptacles are easily usable. Prior to this I used the metal covers, that when a cord was plugged in they were susceptible to rain.
Date published: 2012-06-26
Rated 4 out of 5 by from good idea didn't know something like this existed. worked great for what i used it for
Date published: 2012-04-12
Rated 5 out of 5 by from Great outdoor protection of outlets from water, rain, snow, moisture This is a good product for outdoor use where water can short out a socket. The cover is deep enough for heavy duty extension cords.
Date published: 2014-12-18
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