What type of electrical wire is used in attics?

Wiring in the attic is typically a non-metallic cable (NM cable). It is allowed in most areas of the US, but not all. Make sure to double-check with the home builder. However, if it is in an existing home, check with your local professional electrician or home inspection company.

Do I need to secure wire in attic?





You must protect cables located within 6′ of the attic access hole.

How do I protect my attic wires?

Quote from the video:
Quote from Youtube video: And we put these down some of them we had to layer about twice because we had some offsets with a gas line and other things but typically just shimmed it once or twice all the way around.

How shall type AC cable be installed in accessible attics?

320.23 In Accessible Attics

  1. Type AC cables in accessible attics or roof spaces shall be installed as specified in 320.23(A) and (B).
  2. (A) Cables Run Across the Top of Floor Joists. …
  3. (B) Cable Installed Parallel to Framing Members.


Can I run electrical wire through attic?





Things You’ll Need



An attic can be a hazardous work space. New lighting, cable, computer networking and sound systems can all require wiring that may need to come through the ceiling. On a single-story home or the the upper floor of a multiple story home, this means accessing your attic to run wire.

Can I run an extension cord in my attic?

DON’T use extension cords to connect wires in the attic or above suspended ceilings/ANYWHERE. These are just accidents waiting to happen. A common violation is found in the installation of ceiling-mounted electrical equipment like projectors in training and meeting rooms (as in the following photo).

When type AC cable is run across the top of a floor joist in an attic without permanent ladders or stairs guard strips within?

6 feet horizontally

If the attic space is not accessed by permanent stairs or ladders, cables protection is required within 6 feet horizontally of the nearest edge of the scuttle hole or attic entrance where cables are run across the top of any flooring, or flooring or ceiling joists.

What is the code requirement when installing MC cable in accessible attics or roof space?



A. Type MC cable installed in accessible attics or roof spaces must comply with Sec. 320.23 [330.23]. On the surface of floor joists, rafters, or studs.

When armored cable type AC is installed in an accessible attic and is run parallel to the sides of rafters studs or floor joists?

When armored cable is run parallel to the sides of rafters, studs, or floor joists in an accessible attic, the cable shall be protected with running boards. 7. Type AC cable can be supported and secured by _____. 8.

When type AC cable is used what protection is provided at the cable ends?

bushing



According to NECĀ® Article 320.40, an insulated (anti-short) bushing is required when installing Type AC cable. It is installed at the time of termination and designed to protect the conductors from damage. AFC provides bushings in bags packaged with the cable.

Where is AC cable not permitted to be used?

Type AC cable shall not be used as follows: Where subject to physical damage. In damp or wet locations. In air voids of masonry block or tile walls where such walls are exposed or subject to excessive moisture or dampness.