Cable Box In An Attic

Since insulation is combustible you must install face plates on all attic junction boxes to prevent contact between bare wires and insulation materials.

Cable box in an attic. You can attach them to the joist s side surface called the face or to the joist s top surface called the edge. The temperatures here in attics get into the 150 range which is way outside the operating specs for most electronics. You could create an insulating box and route it to the a c system to keep it cool in the summer. Slide the ends of the cables through the cable connectors until the they extend 6 inches from the front of the box.

Runs of nm cable must be supported at least every 54 inches. Romex and other nm cabling is not derated for an attic 99 of the time in a residential. Buy yourself a 1m box or 2 of cable and a bunch of ends and be done with it. Other than that i don t see any problems.

Junction box mounting locations there are two options for mounting boxes that are wholly contained within the attic. The ambient for an attic and cabling is not significant. General cable support. How id do it if you put your cables to the edge where the apex of the roof meet the ceiling so you basically end up with your wireing loom at the edge of your attic then clip your cables along the ceiling joists 50mm from the plaster board then its clear of insulation and if you need to lay a floor you can but do try to avoide drilling hole through the joists as you will not meet the requirements as youll be less than 50mm from each each edge if the ceiling joists are 75mm.

Install the cable ends in the j box. The nec does not derate lv based on temperature at all. Keep in mind that support does not always mean fastening the cable to framing. Secure the cables in place by turning the.

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. Install coaxial cable cable tv or satellite tv cables concealed in wall spaces from non living spaces above or below. Junction boxes and splicing electrical wiring. What is the correct and most efficient way to splice 14 2 from 14 3 that is running through my attic.

I would like to add a switch and light to the existing electrical circuit wiring and not have to install more wiring and a new circuit breaker.