1 Answer. You usually see wood framing with plastic electrical boxes and nonmetallic cable in residential construction, and metal framing with metal boxes in commercial construction. However there’s nothing that specifically prohibits the combination of metal framing and plastic boxes.
What kind of electrical boxes do you use on metal studs?
If you use metal studs, run conduit and mount 1900 boxes and mud rings. If you use wood studs, run NM and use plastic.
Can you use Romex on metal studs?
Metal studs save money and are easy to install. Metal studs have precut holes designed to accommodate electrical and plumbing lines. When running NM cable through metal framing, inspect the holes to be sure there are no rough or sharp edges that could damage insulation.
Can metal studs hold weight?
The axial load, or load weight limit, for metal studs varies widely. An 8-foot, 3-1/2-inch metal stud, for instance, may support over 2,000 pounds, while a 16-foot stud of the same width will support as little as 400 pounds.
Can you use a junction box to extend wiring?
You can definitely use a junction box to extend your wiring. To do this, start by turning off the power. Then inspect the place and cut the required openings. Next, position the wires and adjust the box to pass the wires through.
How do you remove an electric box from metal studs?
Reach inside the wall or ceiling and grab the box. Carefully pull the metal junction box through the opening in the wallboard, pulling the wires with it. When you can access the wires on the exterior of the box, pull them from the box and bend them around the wallboard, so they don’t fall back into the wall.
How do you use a metal electrical box?
Use a metal electrical box when metal-sheathed cable (also called armored BX cable) or metal conduit is running in or out of the box. Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding. Also, use metal boxes with interior exposed applications.
What is MC cable?
MC Cable Definition
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. The smaller cables should be unsheathed by using an armored cutter like the famous “Roto-Split”.
What is cheaper metal studs or wood studs?
Cost-effective: While never as cheap as wood, steel studs are now only about 30-percent more expensive than wood studs. Lightweight: Steel studs are lighter to carry and store than wood because they are hollow.
Can metal studs be load bearing?
Heavier gauge metal studs are used in load bearing walls and structural applications such as exterior walls. … Framing techniques for metal studs are similar to those of wood construction. Metal studs are available in many of the same basic dimensions as wood studs.
Can you mount on metal studs?
Metal studs are hollow and narrow, so you’ll need hardware that will be strong enough to support the weight of the television and long enough to reach the studs. … Snap toggles are stronger than a toggle bolt or drill toggle and can be used as an anchor for installing a flat screen TV through metal, drywall, and plaster.