0051411205119

Model # 20511

Internet # 100133208

Store SKU # 839647

3/8 in. Non-Metallic (NM) Twin-Screw Cable Clamp Connectors (5-Pack)

$1.61 /bag
  • Features a reversible locknut to preserve grounding
  • Constructed of high-strength zing alloy
  • Designed to fit a 1/2 in. knockout

Frequently Bought Together

Product Overview

Turn to the Halex 3/8 in. Twin Screw Non-Metallic Cable Clamp Connectors (5-Pack) to join non-metallic sheathed cable and flexible cord to steel outlet boxes or other metal enclosures. A reversible locknut cuts through protective coatings on boxes and enclosures to preserve grounding.

  • Connect non-metallic sheathed cable and flexible cord to steel outlet boxes or other metal enclosures
  • Body and locknut are die-cast of high-strength zinc alloy
  • Zinc-plated steel clamp and screws
  • Reversible locknut cuts through protective coatings on boxes and enclosures to assure ground continuity
  • Fits 1/2 in. knockout
  • For indoor use only
  • Screws compatible with Phillips, slotted and square screwdrivers
  • Resists corrosion
  • UL and CSA safety listings

Specifications

Dimensions

Product Depth (in.) 
1.18 
Product Height (in.) 
0.180 
Product Width (in.) 
0.64 
Trade Size (in.) 
3/8 

Details

Application type 
Non-metallic 
Compatible conduit type 
RNC 
Electrical Product Type 
Standard Fitting 
Fitting type 
Connector 
Material 
Galvanized Steel 
Package Quantity 
Paintable/Stainable 
No 
Product Weight (lb.) 
0.2333 lb 
Returnable 
90-Day 

Warranty / Certifications

Certifications and Listings 
1-UL Listed,CSA Listed 
Manufacturer Warranty 
None 

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Customer Questions & Answers

2 Questions1 Answer

Customer Questions & Answers

3/8 in. Non-Metallic (NM) Twin-Screw Cable Clamp Connectors (5-Pack)
3/8 in. Non-Metallic (NM) Twin-Screw Cable Clamp Connectors (5-Pack)

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1 answer

Can this clamp works for 6/3 Romex wire?

This question is from 3/8 in. Non-Metallic (NM) Twin-Screw Cable Clamp Connectors (5-Pack)
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Las vegas
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December 4, 2015
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Answer (1)

Asked by
Massachusetts
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Home Improvement Profile: Other
July 2, 2016
Answer: 
No, this is for 14/2, 14/3, 12/2, and 12/3 only. For 6/3, I would recommend AT LEAST 3/4" connectors.
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Does the Jar packed rough electrical hardware items help over contractor- carton packed item? How

This question is from 3/8 in. Non-Metallic (NM) Twin-Screw Cable Clamp Connectors (5-Pack)
Asked by
Atlanta
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May 19, 2016
Help me understand the benefits of jar packed items. Any suggestions for improvement? share your experience of the change moving from Carton to Jar.
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Customer Reviews

Rated 4.5 out of 5 by 6 reviewers.
Rated 4.0 out of 5.0 by One minor gripe Can't find much to complain about with these guys, except that occasionally the screws are long enough that when tightened they collide with something else nearby. I suppose they have to be as long as they are in case you want to clamp two cables in same knockout. Perhaps they should be sold in two flavors - one with long screws and one with shorter screws. April 26, 2016
Rated 5.0 out of 5.0 by Works as advertised Good price. Does what it is supposed to do. Would buy again. April 5, 2016
Rated 5.0 out of 5.0 by Excellent item Excellent item. Used for my recessed lighting. Will use again in the future. February 10, 2016
Rated 3.0 out of 5.0 by My Bad, Trade Size, Who Knew? Yesterday I submitted a negative review about this product. Then it came to me after waking from a good sleep. THE DARN LABLING INDICATED "TRADE SIZE". I had found an old, but unused light fixture with 1/2" knockouts. These were 'real world' measurements, with 1/2" measuring 1/2" true. I've been doing electrical wiring for 60+ years, but not as an 'electrician'. I've always been on the smart side of the electrical world, . . ELECTRONICS and Communications. I didn't know that electricians had stupid secrets for craft protection. Sorry about the negative review. Ray November 9, 2014
Rated 5.0 out of 5.0 by Excellent, easier to retrofit later These are excellent clamps. I'm in the process of retrofitting a house that has old metal boxes and 2 piece clamp connectors. The advantage with these is that you can loosen the wire from within the box, while 2 piece clamps can only be removed from outside... That means I have to destroy the box, the wire, or open the wall to get the clamps out. If these clamps were in the box, I could have removed the ring, extracted the box and save both the wire and box. I strongly recommend these to anyone using metal boxes. I would note the they have contractor 100 packs in store sometimes, but I haven't seen them online. Big cost savings in bulk as you can imagine. Otherwise this 5-pack is a better deal than individual at least. November 26, 2013
Rated 5.0 out of 5.0 by Excellent Clamps! These work great, for new work and for retrofitting. Attach easily to junction boxes and screw on tight. they keep romex cable very tight and secure. I would recommend anyone needing to run romex into junction boxes. March 25, 2014
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