Code Question of the Month – June 2022

The installation of a fire alarm system requires a plenum cable to be run above the lay-in ceilings. Which of the following cable types is acceptable?

I.  CMR        II.  CMP        III.  FPLR      IV.  FPLP

Select one:

a. III or IV only

b. I, II, or III only

c. II or IV only

d. I or III only

e. III only

f. I, II, III, or IV

The answer is c. II or IV only