UNEC 320

When armored cable is run parallel to the side of rafters, studs, or floor joists in an accessible attic, the cable shall be protected with running boards. True or False

False

Exposed runs of Type AC cable can be installed on the underside of joists where supported at each joist and located so it is not subject to physical damage. True or False

True

Type AC cable installed through, or parallel to, framing members shall be protected against physical damage from penetration by screws or nails. True or False

True

Type AC cable installed in thermal insulation shall have conductors that are rated at 90 degrees Celsius. The ampacity of the cable in this application shall not exceed that of a ________rated conductor. a. 60 degrees Celsius b. 75 degrees Celsius c. 90 degrees Celsius d. none of these

a. 60 degrees Celsius

Type________cable is a fabricated assembly of insulated conductors in a flexible interlocked metallic armor. a. AC b. MC c. NM d. b and c

a. AC

Type AC cable installed horizontally through wooden or metal framing members is considered supported where support does not exceed ________ft. intervals. a. 2 b. 3 c. 4 1/2 d. 6

c. 4 1/2

At type AC cable terminations, a(n) ________shall be provided. a. fitting (or box design) that protects the conductors from abrasion b. insulating bushing between the conductors and the cable armor c. a and b d. none of these

c. a and b

The radius of the curve of the inner edge of any bend shall not be less than _______ for Type AC cable. a. five times the largest conductor within the cable b. three times the diameter of the cable c. five times the diameter of the cable d. six times the outside diameter of the conductors

c. five times the diameter of the cable

Type AC cable and associated fittings shall be___________. a. identified b. approved c. listed d. labeled

c. listed

Type AC cable shall be secured at intervals not exceeding 4 1/2 ft. and within _______in. of every outlet box, cabinet, conduit body, or fitting. a. 6 b. 8 c. 10 d. 12

d. 12

Armored cable used to connect recessed luminaires or equipment within an accessible ceiling can be unsupported and unsecured for lengths up to ________ft. a. 2 b. 3 c. 4 1/2 d. 6

d. 6

When Type AC cable is run across the top of a floor joist in an attic without permanent ladders or stairs, guard strips within ________ ft. of the scuttle hole or attic entrance shall protect the cable. a. 3 b. 4 c. 5 d. 6

d. 6

Armored cable shall not be installed ___________. a. in damp or wet locations b. where subject to physical damage c. where exposed to corrosive conditions d. all of these

d. all of these

Type AC cable shall be supported and secured by _________. a. staples b. cable ties listed and identified for securement and support c. straps d. any of these

d. any of these

Type AC cable is permitted in __________. a. wet locations b. cable trays c. exposed installations d. b and c

d. b and c