You are required to use whatever type of wiring your local code permits for this type of connection. If you are in a residential location then it is likely NMD90; if you are in a commercial location then it will likely require BX/AC.

What wire do you use for pot lights?

Typically, a 12-gauge cable with two insulated conductor wires and a ground wire are used. The cable is jacketed with a non-metallic plastic jacket to protect it.

What wiring do I need for recessed lighting?

Here’s some basic facts you should consider when installing recessed lights: Most lighting circuits in homes are either 15 or 20 amps. 15 amp circuits are the most common. 20 amp circuits require 12 gauge wire; 15 amps circuits allow for less expensive 14 gauge wire.

How do you wire a recessed pot light?

Run NM-B cable from the power source to a switch box and then to the first hole, allowing at least 18-inches of extra cable to make wiring easy. Run cable from the first hole to the second hole, then from the second to the third, continuing to the last recessed light location.

Can I run MC cable to a plastic box?

MC Cable Is for Metal Boxes Only!

Plastic or fiberglass electrical boxes aren’t designed to be used with MC cable. Even if you’re able to rig up a connection to a plastic box, you will fail the electrical inspection.

Can you use 12 2 wire recessed lighting?

Yes, it is okay to use 12-2 cable to supply lighting fixtures.

What wire do you use for LED ceiling lights?

Most people would likely recommend using a solid core 18-gauge wire for your LED lights. The cost difference between this wire size and a much smaller cable is negligible, and 18-gauge is about as big as you can go if you would like your wires to fit into most holders or terminals.

Where is MC cable required?

Type MC cable installed on the bottom of floor or ceiling joists must be secured at every joist and not be subject to physical damage [Sec. 330.15].

Does MC cable need conduit?

MC cable can be installed underground as long as it is run through a conduit to prevent decay. For above-ground applications, MC cable can be installed without a conduit.

Can you run MC in residential?

MC Cable Permitted Uses

MC Cable, when listed and labeled for use, can be a wiring method in locations such as: Commercial, industrial, and residential/commercial buildings.

When should you use armored cable?

Armored cables provide the protection and durability required without the need for electrical conduit, elbows, costly offsets, and conduit couplings. Metal-clad armor resists corrosion, making it suitable for areas exposed to moisture.

Where is MC cable not allowed?


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.