Armoured Cable Flashcards
True or false: A/C cable may be run on the surface of walls and ceilings in buildings of masonry construction
True
A/C is approved for use on circuits up to ________
600V
List the A/C conductor combinations
1, 2, 3, and 4
Modern A/C conductors are insulated with a durable material called ________
Cross-link (X-link)
Cross-link (X-link) has a maximum temperature rating of ________
90 degrees celsius
A/C was originally known as ________
Armoured bushed cable (ABC)
What is the common trade name for A/C?
BX
ACL features a lead sheath, which is located between the conductors and the armour. What is the purpose of this lead sheath?
To prevent moisture or chemicals from entering the conductor portion of the cable, making it suitable for outdoor use or direct burial in the earth
Because aluminum is susceptible to corrosion, ________ is used for outdoor and underground applications
Galvanized steel
A ________ prevents the jagged edges of armoured cable from cutting into the insulation around the conductors
Anti-short brushing
A/C must be supported by an approved strap or staple within ________ of every box
30cm
What is the maximum allowable distance between supports on a run of A/C cable?
1.4m
Installing armoured cable by lowering it down from an attic or ceiling is known as ________
Fishing
How is moisture prevented from entering the box or fitting in an outdoor cable installation?
By using a water-tight connector
True or false: A/C is not suitable for wet or underground applications, but can be buried in masonry or concrete
False. A/C is for dry applications ONLY
