Because screws do have threads, there may not be a sufficient sweet size of screw that works just right. But I do know lots of boxes work fine with screws, as produce illustrations do show (here, and many other places). It's a matter of making sure you have a box rated to use screws (and, of course, use the size it is rated for). I like lqlarry. On normal electrical boxes, screws are usually 6-32. This being a bit light for a fan, also expect 8-32 or 10-32. Ground screws are 10-32. Ground screws are 10-32. It's not a coincidence that they are -32, given the thickness of standard metal junction boxes, that is the minimum number of threads to properly engage.

• What Kind Of Screws For Electrical Boxes Near Me
• What Kind Of Screws For Electrical Boxes For Kids

InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.Guide to types of electrical receptacles (wall 'outlets' or 'wall plugs'):How to choose the right type of electrical receptacle when adding or replacing a wall outlet in a building. Here we describe matching 15-Amp receptacles to 15-Amp circuits, 20-Amp receptacles to 20-Amp circuits, two-wire receptacles where no ground is present, GFCI and AFCI electrical receptacles, and the proper electrical box to hold and mount these devices.This article series describes how to choose, locate, and wire an electrical receptacle in a home.

Electrical receptacles (also called electrical outlets or 'plugs' or 'sockets') are simple devices that are easy to install, but there are details to get right if you want to be safe.We also provide a to this topic, or you can try the page top or bottom as a quick way to find information you need. NEC Table 314.16 (A) Metal Electrical Boxes for DevicesBox Dimensions (Inches)& Trade NameMinimum Cu.

In.Max # Conductors AWG 14Max # Conductors AWG 123 x 2 x 1 1/2' Device Box7.5 cu. NEC 314.16(B) Electrical Box Volume Required Per Conductor (wire)Conductor size (wire size)Free space within the box for each conductorNo. 142 cubic inchesNo. 122.25 cubic inchesNo. 102.5 cubic inchesNotes to the table above This is an excerpt pertinent to wiring electrical receptacles and switches; other wire sized and applications are given in the source NEC.

Typical Electrical Boxes for Single Receptacles, Switches, or SplicesTypical electrical junction boxes used for receptacle installation to accommodates a single receptacle are 2' x 4' metal or plastic boxes of varying depth.Choose a deeper box if you have more than the minimum number of wires entering & leaving the box or it will be over-crowded and may violate building electrical codes.Below are an older style steel electrical boxes nailed to wood framing in a building. The box is carrying six wires in total: two 'hot', two neutral, and two grounds.At above right in addition to aluminum wiring hazards the box is overcrowded.See.AlsoSee.It's likely to be permitted and safe to install a larger sized junction box than you need for an outlet or switch or wire splice, but you may need to purchase a special adapter-cover for the box in order to properly secure an electrical outlet therein. Installing a junction box that is too small is illegal and unsafe.Typical 4-inch Electrical Boxes used for Single (or more often) Duplex Electrical ReceptaclesBelow-left we show a typical 4-inch metal junction box, and below-right a common and deeper plastic junction box. Electrical junction boxes are required for all wall plugs?Reader Question: Do I really need an electrical box to put a new wall plug in?. has provided photographs of various electrical defects used at the Website. Hemm is a professional electrical inspector in Yucala, CA. Mark Cramer, Tampa Florida, Mr.

Cramer is a past president of ASHI, the American Society of Home Inspectors and is a Florida home inspector and home inspection educator. Cramer serves on the ASHI Home Inspection Standards. Contact Mark Cramer at: 727-595-4211. is an ASHI member and a home inspector (The House Whisperer) is located in Glen Allen, VA 23060.

He is also a contributor to InspectApedia.com in several technical areas such as plumbing and appliances (dryer vents). Cranor at 804-747-7747 or by Email:. 3 can be found online at. 4 The 2008 NEC National Electrical Code (ISBN 9903) (you'll need to sign in as a professional or as a visitor). 5 Special thanks to our reader Steve who pointed out prior errors in our illustrations. 6 Simpson Strong-Tie, 'Code Compliant Repair and Protection Guide for the Installation of Utilities in Wood Frame Construction', web search 5/21/12, original source strongtie.com/ftp/fliers/F-REPRPROTECT09.pdf, copy on file as /Structures/Framing/SimpsonFramingProtectors.pdf. 'The information in this guide is a summary of requirementsfrom the 2003, 2006 and 2009 International Residential Code(IRC), International Building Code (IBC), International PlumbingCode (IPC), International Mechanical Code (IMC), 2006 UniformPlumbing Code (UPC) and the 2005 National Electrical Code.'

. 'Electrical System Inspection Basics,' Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985.

'Simplified Electrical Wiring,' Sears, Roebuck and Co., 15705 (F5428) Rev. 4-77 1977 Lots of sketches of older-type service panels. 'How to plan and install electric wiring for homes, farms, garages, shops,' Montgomery Ward Co., 83-850. 'Simplified Electrical Wiring,' Sears, Roebuck and Co., 15705 (F5428) Rev.

4-77 1977 Lots of sketches of older-type service panels. 'Home Wiring Inspection,' Roswell W. Ard, Rodale's New Shelter, July/August, 1985 p. 35-40.

'Evaluating Wiring in Older Minnesota Homes,' Agricultural Extension Service, University of Minnesota, St. Paul, Minnesota 55108. 'Electrical Systems,' A Training Manual for Home Inspectors, Alfred L. Alk, American Society of Home Inspectors (ASHI), 1987, available from ASHI. DF NOTE: I do NOT recommend this obsolete publication, though it was cited in the original Journal article as it contains unsafe inaccuracies.

What Kind Of Screws For Electrical Boxes Near Me

'Basic Housing Inspection,' US DHEW, S352.75 U48, p.144, out of print, but is available in most state libraries.Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair. Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the.

Also see our. Recommended books on electrical inspection, electrical wiring, electrical problem diagnosis, and electrical repair can be found in the section of the InspectAPedia Bookstore. (courtesy of Amazon.com).120 Carlton Street Suite 407, Toronto ON M5A 4K2. Tel: (416) 964-9415 1-800-268-7070 Email:. The firm provides professional & &.

What Kind Of Screws For Electrical Boxes For Kids

Alan Carson is a past president of ASHI, the American Society of Home Inspectors. Thanks to Alan Carson and Bob Dunlop, for permission for InspectAPedia to use text excerpts from The Home Reference Book & illustrations from The Illustrated Home.