FHB Logo Facebook LinkedIn Email Pinterest Twitter X Instagram Tiktok YouTube Plus Icon Close Icon Navigation Search Icon Navigation Search Icon Arrow Down Icon Video Guide Icon Article Guide Icon Modal Close Icon Guide Search Icon Skip to content
Subscribe
Log In
  • How-To
  • Design
  • Tools & Materials
  • Restoration
  • Videos
  • Blogs
  • Forum
  • Magazine
  • Members
  • FHB House
  • Podcast
Log In

Discussion Forum

Discussion Forum

What is a “spark ring”?

Paularado | Posted in Energy, Heating & Insulation on December 24, 2003 12:00pm

We passed our final electrical inspection yesterday, but with one caveat. The electricians installed our boxes for 1/2″ drywall, but we used 3/4″ t&g. So, because the boxes are slightly recessed into the wood paneling, we need to install what the inspector called a “spark ring”. Is there another name for this thing?

Does anyone know what I’m talking about? Do they have them at home depot?

Reply

Replies

  1. calvin | Dec 24, 2003 12:58am | #1

    Paula, around here they are called box extensions.  It sleeves the gap between the device and the set too deep box.  Believe they come plastic and metal.  Don't know if the depot carries them.  Give em a call.

    Remodeling Contractor just outside the Glass City.

    Quittin' Time

    1. Paularado | Dec 24, 2003 01:14am | #2

      Thanks! I was able to find it by calling it a box extension ring.

      I think this is it:

      http://www.wellspent.org/Product?p=35910

      Paula

  2. Paularado | Dec 24, 2003 01:22am | #3

    I found them called that too on several site. Thanks! Going to McGuckins later, so it will be good to have several names. (Do you remember McGuckins?)

    1. UncleDunc | Dec 24, 2003 02:13am | #6

      >> (Do you remember McGuckins?)

      Who could forget McGuckins? The One True Hardware Store.

      1. 4Lorn2 | Dec 24, 2003 04:49am | #7

        Not from that area so I ran a search:

        http://www.mcguckin.com/

        Seems nice enough even though their web page needs work. Looked up under 'circuit breakers and fuses' and only got one, one not very useful, listing. Every category I looked at was the same. One item and only one item. They say they carry 300,000 items but I can only find about 30 on their web site.

        1. UncleDunc | Dec 24, 2003 07:39am | #9

          You're right, their web site looks like a student project, abandoned incomplete at the end of the semester. MSC is another vendor that lots of people recommend despite a really bad web site. MSC at least has a usable printed catalog. To appreciate McGuckin's, you have to go there.

          1. Paularado | Dec 24, 2003 06:47pm | #12

            I just realized that you are in Boulder. I can't believe I didn't know that before. Howdy neighbor! There's another guy Steve here too. Are the Coloradoans (and ex coloradoans like Piffin, WHW, and Goldhiller) taking over the board? LOL!

            Maybe we'll have to have an informal Boulder/McGuckins fest one of these days.

          2. mitch | Dec 24, 2003 10:35pm | #13

            you mean "McScrewins"?  (i cleaned it up for a family website).  went to CU 20-some-odd yrs ago.  moved from denver to nc almost two yrs ago, but haven't been in mcguckins in ages.  does it still have a reputation for prices higher than a hunchback's heinie? (hence their nickname)  they always have what you're looking for and they are proud of it at the cash register.

            m

          3. Paularado | Dec 24, 2003 11:23pm | #14

            The non-family version is how we refer to them too! LOL! On most things, yes they are expensive, but you are paying for those old guys who have worked there forever and can point you to EXACTLY the thing you thought you'd never find.

            I'll add you to the "Coloradoans and Ex-Coloradoans taking over the board" list. :-)

            Paula

          4. UncleDunc | Dec 24, 2003 11:44pm | #15

            I've lived in Boulder since '75 and never heard that. I guess I hang with a more genteel crowd. :)

            Yes, the prices are still high, but the place is packed all the time. Think what a mob scene it would be in there if the prices were reasonable.

            Unfortunately, their volume has outstripped their supply of old guys who know what and where everything is. I get consistently good service in fasteners, but elsewhere in the store, I see the same cluelessness as at the big box stores. Not all the time, it just seems like they can't train their new people fast enough.

    2. JohnHens | Dec 24, 2003 07:14am | #8

      My brother lives in Westminster. Had some problems with loocal contractors so I went out and finished his basement.  Spent  more than a few trips to McGuckin. Now thats a hardware store. My brother went with me and found all kinds of things he needed. I still go there when I get out to Co. They should franchise. Put hd etc. out of business. The best was turning a corner in the store annd running into someones dog!

  3. dIrishInMe | Dec 24, 2003 01:25am | #4

    Around here they are called fire rings...  Back when they were made of metal, I always wondered if they caused fires or prevented fires.  Now that they are made of plastic, the whole thing makes a lot more sense.

    Matt
  4. 4Lorn2 | Dec 24, 2003 01:35am | #5

    Round here they are called 'goof rings', as in 'we thought you were installing half inch drywall guess we goofed', and are available in plastic and galvanized steel. Get the plastic ones. They are cheap, effective, easier to install and less likely to cause problems later . The steel ones can be interesting to install live, of course you wouldn't be stupid enough to do it live, and can come loose and cause a short later.

    Term mud ring is usually, but not exclusively, used to describe an extension screwed to the face of a junction box prior to drywall or plaster being installed. Failure to use the right mud ring can make using goof rings a necessity.

  5. Jeff | Dec 24, 2003 03:41pm | #10

    Paula

    One word of warning.

    Some of the rings tend to make the opening alot smaller (the ACE brand is one).

    If your wiring is tight, or have a large outlet (such as a GFI) the metal ring can touch the terminals causing a short.

    Use the plastic ones, or pick metal one that doesn't cause this.

    Jeff

    1. Paularado | Dec 24, 2003 06:25pm | #11

      To all:

      Thanks for your help. I did go to McGuckins last night and found both the metal variety and the plastic type. Sounds like the plastic type is the way to go. I will avoid the Ace brand. Thanks for the tip.

      What a hoot that so many people know McGuckins. It is a wonderful resource. I used to bring my dog there and she loved it. Now all the home depots and Lowes around here allow dogs because of McGuckins. The website is pathetic and not at all reflective of the store.

      Happy holidays everyone.

Log in or create an account to post a comment.

Sign up Log in

Become a member and get full access to FineHomebuilding.com

Video Shorts

Categories

  • Business
  • Code Questions
  • Construction Techniques
  • Energy, Heating & Insulation
  • General Discussion
  • Help/Work Wanted
  • Photo Gallery
  • Reader Classified
  • Tools for Home Building

Discussion Forum

Recent Posts and Replies

  • |
  • |
  • |
  • |
  • |
  • |
View More Create Post

Up Next

Video Shorts

Featured Story

Podcast Episode 685: Patching Drywall, Adding Air Barriers, and Rotted Walls

Listeners write in about running a profitable contracting business and ask questions about patching drywall, adding air barriers, and fixing a patio poured against the house.

Featured Video

How to Install Cable Rail Around Wood-Post Corners

Use these tips to keep cables tight and straight for a professional-looking deck-railing job.

Related Stories

  • A Summer Retreat Preserved in the Catskill Mountains
  • Fine Homebuilding Issue #332 Online Highlights
  • The Trump Administration Wants to Eliminate the Energy Star Program
  • Podcast Episode 685: Patching Drywall, Adding Air Barriers, and Rotted Walls

Highlights

Fine Homebuilding All Access
Fine Homebuilding Podcast
Tool Tech
Plus, get an extra 20% off with code GIFT20

"I have learned so much thanks to the searchable articles on the FHB website. I can confidently say that I expect to be a life-long subscriber." - M.K.

Get home building tips, offers, and expert advice in your inbox

Signing you up...

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
See all newsletters
See all newsletters

Fine Homebuilding Magazine

  • Issue 331 - June 2025
    • A More Resilient Roof
    • Tool Test: You Need a Drywall Sander
    • Ducted vs. Ductless Heat Pumps
  • Issue 330 - April/May 2025
    • Deck Details for Durability
    • FAQs on HPWHs
    • 10 Tips for a Long-Lasting Paint Job
  • Issue 329 - Feb/Mar 2025
    • Smart Foundation for a Small Addition
    • A Kominka Comes West
    • Making Small Kitchens Work
  • Issue 328 - Dec/Jan 2024
    • How a Pro Replaces Columns
    • Passive House 3.0
    • Tool Test: Compact Line Lasers
  • Issue 327 - November 2024
    • Repairing Damaged Walls and Ceilings
    • Plumbing Protection
    • Talking Shop

Fine Home Building

Newsletter Sign-up

  • Fine Homebuilding

    Home building tips, offers, and expert advice in your inbox.

  • Green Building Advisor

    Building science and energy efficiency advice, plus special offers, in your inbox.

  • Old House Journal

    Repair, renovation, and restoration tips, plus special offers, in your inbox.

Signing you up...

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
See all newsletters

Follow

  • Fine Homebuilding

    Dig into cutting-edge approaches and decades of proven solutions with total access to our experts and tradespeople.

    Start Free Trial Now
    • Facebook
    • Instagram
    • X
    • LinkedIn
  • GBA Prime

    Get instant access to the latest developments in green building, research, and reports from the field.

    Start Free Trial Now
    • Facebook
    • YouTube
  • Old House Journal

    Learn how to restore, repair, update, and decorate your home.

    Subscribe Now
    • Facebook
    • Instagram
    • X
  • Fine Homebuilding

    Dig into cutting-edge approaches and decades of proven solutions with total access to our experts and tradespeople.

    Start Free Trial Now
    • Facebook
    • Instagram
    • X
    • LinkedIn
  • GBA Prime

    Get instant access to the latest developments in green building, research, and reports from the field.

    Start Free Trial Now
    • Facebook
    • YouTube
  • Old House Journal

    Learn how to restore, repair, update, and decorate your home.

    Subscribe Now
    • Facebook
    • Instagram
    • X

Membership & Magazine

  • Online Archive
  • Start Free Trial
  • Magazine Subscription
  • Magazine Renewal
  • Gift a Subscription
  • Customer Support
  • Privacy Preferences
  • About
  • Contact
  • Advertise
  • Careers
  • Terms of Use
  • Site Map
  • Do not sell or share my information
  • Privacy Policy
  • Accessibility
  • California Privacy Rights

© 2025 Active Interest Media. All rights reserved.

Fine Homebuilding receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.

X
X
This is a dialog window which overlays the main content of the page. The modal window is a 'site map' of the most critical areas of the site. Pressing the Escape (ESC) button will close the modal and bring you back to where you were on the page.

Main Menu

  • How-To
  • Design
  • Tools & Materials
  • Video
  • Blogs
  • Forum
  • Project Guides
  • Reader Projects
  • Magazine
  • Members
  • FHB House

Podcasts

  • FHB Podcast
  • ProTalk

Webinars

  • Upcoming and On-Demand

Podcasts

  • FHB Podcast
  • ProTalk

Webinars

  • Upcoming and On-Demand

Popular Topics

  • Kitchens
  • Business
  • Bedrooms
  • Roofs
  • Architecture and Design
  • Green Building
  • Decks
  • Framing
  • Safety
  • Remodeling
  • Bathrooms
  • Windows
  • Tilework
  • Ceilings
  • HVAC

Magazine

  • Current Issue
  • Past Issues
  • Magazine Index
  • Subscribe
  • Online Archive
  • Author Guidelines

All Access

  • Member Home
  • Start Free Trial
  • Gift Membership

Online Learning

  • Courses
  • Project Guides
  • Reader Projects
  • Podcast

More

  • FHB Ambassadors
  • FHB House
  • Customer Support

Account

  • Log In
  • Join

Newsletter

Get home building tips, offers, and expert advice in your inbox

Signing you up...

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
See all newsletters
See all newsletters

Follow

  • X
  • YouTube
  • instagram
  • facebook
  • pinterest
  • Tiktok

Join All Access

Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features.

Start Your Free Trial

Subscribe

FHB Magazine

Start your subscription today and save up to 70%

Subscribe

We hope you’ve enjoyed your free articles. To keep reading, become a member today.

Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine.

Start your FREE trial

Already a member? Log in