When should you use armored cable?
To put it in context, typically armoured cables would be used when you require the cable to be buried directly underground, for outdoor installation or in tunnels. There may be instances where the ground is opened up again, and in the process, a spade or mechanical excavator may hit the buried cable by accident.
Can you run armored cable outside?
These cables can be installed either indoors or outdoors and in exposed and concealed locations. They can be direct buried, where identified for such use. They can be installed in a cable tray or in any raceway.
What kind of wire should I use in my attic?
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.
Can Romex be run in attic?
Ultimately, for type NM (Romex), this is directly referenced in the 2011 NEC 334.23 but only points you to comply with 320.23 (type AC), as does 330.23 (type MC). It is 320.23 (A) which specifies the requirements for “Cables Run Across the Top of Floor Joists” – “In Accessible Attics”.
Where can armored cable be used?
Armored cables are used in applications where cables will be exposed to mechanical or environmental damage under normal operating conditions. These applications include power circuits in industrial plants, commercial buildings, processing plants and central and substation utility applications.
What is the advantage of armoured cable?
ADVANTAGES OF 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 do you run wires in an attic?
Quote from the video:
Quote from Youtube video: You take your J hook. And you mount it a few feet. Up off the the the joist so that it's actually hanging. And it keeps the wires up off the joists so people won't step on them.
How do I splice Romex in my attic?
Quote from the video:
Quote from Youtube video: Just pull on it tight. Use your sheetrock knife and reach back in the box and sawed it. Off. Okay now there's a piece of paper around the bare copper wire.
How do you run Romex through ceiling joists?
The best way to run wires along ceiling joists is to use a running board, spacing the wires evenly with electrical staples. This is for running wires in the direction of the joists or perpendicular to them. If there is no space, you can bore holes in very specific places to run wires through.
How do you feed cable through a ceiling?
Quote from the video:
Quote from Youtube video: Step 3 drill a hole in the ceiling or floor if you'll be running cable through the ceiling carefully drill a hole with the 1/8 inch drill bit through the ceiling above the new wall box location.
Can you 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 you staple Romex to rafters?
It is okay to staple Romex along the floor joists, provided you keep it at a safe distance from the edge. This will help you protect it from screws and nails and any critters that may be crawling along the edges – since that is where insects usually decide to burrow. You can also run Romex THORUGH floor joists.
Can Romex be used in crawl space?
If your crawl space is normally dry, you can use non-metallic wires such as Romex.
How do you attach Romex to studs?
Quote from the video:
Quote from Youtube video: So you need to put the cables down flat on top of each other and staple on top of that. Now there's this whole debate on how many pieces of romex you're supposed to put under one staple.
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.
How often do you strap Romex?
General Cable Support
Runs of NM cable must be supported at least every 54 inches. 1 They also must be secured within 12 inches of an electrical box that includes a cable clamp or within eight inches of a box or enclosure without a cable clamp.
How often should you staple Romex?
Nonmetallic-sheathed cable shall be supported and secured by staples, cable ties, straps, hangers, or similar fittings designed and installed so as not to damage the cable, at intervals not exceeding 1.4 m (4 1⁄2 ft) and within 300 mm (12 in.) of every outlet box.
