1. Areas that are covered for Power Limited wiring addressed by the NEC are _____.
(a) installations under the exclusive control of a utility
(b) wiring on ships
(c) wiring for carnivals
(d) wiring in mines
2. Chapter 8 covers all communication systems and _____ subject to requirements of chapter 1-7.
(a) is never
(b) is always
(c) may be- if specifically referenced
(d) None of the above.
3. The standard for Neat and Workman Like installations is _____.
(a) in the NEC
(b) in the NFPA standards
(c) in the practical wiring handbook
(d) based on the AHJ standards
4. PLFA cable is _____ as defined in NEC Art 760.
(a) Plenum rated low-voltage cable
(b) Power Limited Fire Alarm cable
(c) Preferred Line Voltage Fire assembly cable
(d) Pressurized Line - Frequency adjusted cable
5. Single conductors _____.
(a) are not to be installed unless it is a recognized wiring system
(b) can be installed if in a conduit
(c) can never be installed
(d) are allowed if lead covered
Answers:
1. (c) Ref: Art 90.2
2. (c) Ref: Art. 90.3
3. (d) Ref: Art. 110.12
4. (b) Ref: Art 760. Part III
5. (a) Ref: Art 300.3 (A)