Yes this should be corrected and it would be good to have the wiring and all the circuit connections inspected as well.
Bx wire for attic.
While varying somewhat by area of the country in the u s latin america europe and other areas there are recognizable generations of electrical wiring knob tube greenfield armored cable or bx wiring plastic or nm.
Also use metal boxes with interior exposed applications.
Abandoned wires case 2.
How to install an attic fan video.
To the framing all the way to the next box without cutting it to length.
To run a cable from one box to another pull cable off the coil strip at least 8 in.
Bx contains one or more individually insulated hot conductors one individually insulated neutral conductor and a ground wire which may or may not be individually insulated.
You can attach them to the joist s side surface called the face or to the.
About your bx wire there were several generations of bx and greenfield flexible armored cable.
Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding.
Untwist the cable and staple it at least every 4 ft.
Bx is also known as armor clad or flexible metal conduit cable.
Since insulation is combustible you must install face plates on all attic junction boxes to prevent contact between bare wires and insulation materials.
Working on a new york cottage built along wappingers creek in the 1920 s i saw that nobody had been into the attic crawl space in decades.
Typically electrical boxes are recessed in.
Junction box mounting locations there are two options for mounting boxes that are wholly contained within the attic.
We illustrate a variety of types of electrical wiring found in older buildings.
The attic wiring should be protected and secured to ceiling joists or other wood structural supports.
Of sheathing off the wires and thread the wires and about 1 2 in.
What are bx cable and wire.
There was not even an access hatch.
Wire rats in the attic.
Bx s metal sheathing runs in a helix like or twisted manner around the wires.
Of sheathing through the wire opening in the box.
The magnetic field strength drops very quickly with distance from the nm cable.
Use a metal electrical box when metal sheathed cable also called armored bx cable or metal conduit is running in or out of the box.
If you come across a wire or romex cable that nee.
Old electrical wiring types photo guide to types of electrical wiring in older buildings.