What size screw is used to secure a lighting fixture to an octagon box?
5 min read
Asked by: Tim Gibson
What size screw is used in Octagon box?
Electrical box screw size for junction boxes
Junction boxes usually use a heavier duty screw, an 8-32. Junction boxes often hold heavier light fixtures, so they need a screw that can hold a bit more weight. 8-32 is a very common size, at least. An 8-32 is .
What size screws are used to secure a lighting fixture to a lighting outlet box?
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. 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 size screw attaches outlet to box?
Receptacle screws are used to fasten outlet boxes or other receptacles to existing construction. Long screws are useful when mounting switch covers to thick surfaces, such as those with paneling.
What size is an octagon electrical box?
4 x 4 inches
An octagon electrical box is a common type of box that is typically used for installing light fixtures on a wall or ceiling. They are usually made of metal and come in standard sizes of 4 x 4 inches, and in depths of 1 1/4, 1 1/2, and 2 1/8 inches deep.
What thread size is 8 32?
Thread Diameter: 0.164 Inch (#8 Size); Head Diameter: 0.322 Inch; Head Height: 0.115 Inch; Phillips Drive Size #2. Threads per Inch: 32; Thread Type: Coarse Standard. Package Included: 50 x Phillips Pan Head Machine Screws #8-32 x 2 Inch.
| Material | Stainless Steel |
|---|---|
| Exterior Finish | Stainless Steel |
| Thread Size | #8-32 |
What is a 6-32 screw?
Screws have three basic measurements: gauge, threads per inch, and shaft length in inches. So, you may also see a measurement like 6-32 x 1 1/2″. This means it’s a #6 diameter, with 32 threads per inch (almost double the normal thread count as a standard wood screw) and an inch and a half long.
What size are light switch screws?
Switch plate screws are generally 6-32 (thread diameter of #6 and 32 threads per inch).
What are screw sizes?
Screw Sizes
For screws measured in inches, diameters of 1/4 inch and smaller (for machine and sheet metal screws) or 5/16 inch and smaller (for wood screws) are expressed with a # and a whole number (ex., a screw with a major diameter of 3/16 inch is a #10 screw). Smaller numbers indicate smaller diameters.
What size are crossbar screws?
4-3/4″ Side Mount crossbar, screws onto standard electrical box and allows ceiling canopy to mount through side holes. Comes with two each 1/2″ and 1″ 8/32 screws.
What diameter is a #6 screw?
American Screw Sizes
| THREAD DIAMETER | ||
|---|---|---|
| Size | Nearest Fraction | Inch |
| #4 | 7/64 | 0.11 |
| #5 | 1/8 | 0.12 |
| #6 | 9/64 | 0.13 |
What is the diameter of a 6 32 screw?
External Thread Screw Threads Size Chart
| Screw Size | Class Thread | Major Diameter |
|---|---|---|
| 6-32 | 3A | 0.1380 |
| 6-40 | 2A | 0.1380 |
| 6-40 | 3A | 0.1380 |
| 8-32 | 2A | 0.1640 |
What is a light fixture whip?
Our pre-wired armored cable fixture whips are factory fabricated wiring assemblies typically used for lighting and power distribution in commercial buildings. Our Fixture Whips consist of flexible metal conduit (FMC), primarily in .
What are fixture whips used for?
Uses: Commonly used for connecting fluorescent, LED lay-in fixtures and incandescent fixtures for suspended and accessible ceilings.
How long can a fixture whip be?
6 feet
Fixture whips can be 6 feet in length and contain two copper fixture conductors.
What is MC cable?
MC Cable, by most common definition, is a factory assembly of one or more insulated circuit conductors enclosed in an armor of interlocking metal tape or a smooth or corrugated metal sheath.
Why is Romex more expensive than MC cable?
When it comes to pure MC cable versus Romex cost, Romex is about 25% cheaper than MC cable due to the fewer source materials and lower shipping costs. In terms of installation, Romex can cost more than MC cable if a protective conduit is required.
Where is MC cable not allowed?
WET OR DAMP ENVIRONMENTS
330 of the NEC mentions that MC cable can be used indoor and outdoor but does not make mention of it being allowed or disallowed for use in damp environments. It does state that when used in wet locations there must be a corrosion-resistant jacket to protect the conductors.
How do you secure a MC cable?
Type MC cable must be supported and secured by staples, cable ties, straps, hangers, or similar fittings, designed and installed so as not to damage the cable. Type MC cable, with four or less conductors sized no larger than 10 AWG, must be secured within 12 in.
What is code for securing MC cable?
According to NEC Article 330.30, MC cable must be supported and secured at intervals of 6 feet or less (unless routed through a framing member) and cables containing four or fewer conductors sized no larger than 10 AWG must be secured within 12 inches of every termination.
Can you use staples for MC cable?
Say the answer is yes these staples and this cable stapler can be used with mc cable.
How far from a box must Romex be secured?
Article 336-18 stated that cable must be secured in place at intervals not exceeding 4.5 feet (1.37 m) and within 12 inches (305 mm) from every cabinet, box, or fitting.
Is it OK to zip tie electrical wires together?
Electrical zip ties can be used to keep any sort of electric wires properly bundled and out of the way. Whether you need to keep your computer wires tied, an entire server tied down or any other large items keep neat and tidy, cable zip ties are the easy and economical way to get the job done quickly and easily.
How tight should Romex staples be?
Do not hammer in those cable staples too tight. They should be just enough to hold the cable in place, but not so tight as to pinch the cable. It may not look like the staple is damaging the conductors, and the problem may not present itself for a few years after installation, as was the case here.
