How many conductors are in a 12 3 MC cable?
Table of Contents
How many conductors are in a 12 3 MC cable?
3 Conductors
12 gauge 3 conductors w/ ground copper MC Cable. Sold by the spool. 250 ft. 1,000 ft….Ampere Rating THHN: 20.
| Cable Type | MC |
|---|---|
| # of Conductors | 3 Conductors w/ Ground |
| Conductor Material | Bare Copper |
| Stranded or Solid | Solid |
| O.D. (Inches) | 0.509 |
How many feet does MC need to be supported?
6 feet
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.
Is AC and MC cable the same?
AC Cables have insulated conductors that are wrapped with a moisture resistant, fire retardant Kraft paper whereas MC Cables come with an overall polypropylene wrap. Another difference between the two cable types is the ground path.
Can you run MC cable into a plastic box?
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 put MC cable in conduit?
Type MC armored cable can be installed in cable tray, racks, hangers, or as a cost-effective replacement for conduit and wire where specified per the National Electrical Code (NEC).
What temperature rating is MC cable?
90°C dry
Conductors: MC Cable has a solid soft drawn bare copper, with polyvinyl chloride (PVC) / nylon over coated type THHN/THWN-2 insulation, with a green insulated ground conductor. MC Cable temperature rating is 90°C dry/75°C wet. The conductors are cabled together with a Mylar tape.
Can you support MC with zip ties?
Yes, cable ties are permitted. Section 330.30(A) provides the general requirements and permits cable ties.
Can you use J hooks to support MC cable?
Among them, J Hooks are a flexible, efficient and economical solution for support especially when cables are required to install in confined areas that cannot accommodate cable trays or raceways….What Are J Hooks Used for?
| Application Field | Cable Media Tyeps |
|---|---|
| Low voltage cabling | Power and control tray cable |
Can you bury MC cable in concrete?
Type MC cable is available with an outer PVC jacket and is permitted to be installed in parking decks, concrete pours and for direct earth burial if it is identified for such use.
Can you put MC in concrete?
NEC 330.12(3) prohibits installing Type MC cable in concrete unless it is identified for direct burial. Installing Type MC cable in a block wall is not covered in 330.10 Uses Permitted.
How many amps can 12 3 wire carry?
20 amps
12/3 wire is only rated for 20 amps.
Is MC cable heat resistant?
These coatings insulate wires to make them suitable for various MC cable applications. Protection: MC cable is corrosion resistant and able to handle heat and moisture.
What is blue MC cable used for?
Southwire Blue Steel Armor Type MC Cable is suitable for use as follows: Branch, feeder and service power distribution in commercial, industrial, institutional, and multiresidential buildings. Fished or embedded in plaster. Concealed or exposed installations.
