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NFPA 72 - ANSWER✅✅What is the NFPA code that refers to household firefighting
equipment?
22 (NEC 725.179 E) - ANSWER✅✅Type PLTC nonmetallic sheathed shall be a
minimum size ___ gauge for class 3 circuits and have an insulation rating of atleast
300 V
Grounding Connection - ANSWER✅✅What is the function of a green wire in a
manufactured home?
2 Feet - ANSWER✅✅What is the minimum required clearance between a receiving
antenna and 250 volt line not insulated?
20 - ANSWER✅✅What is the maximum number of supervisory switches permitted
to be connected to a actuate a single transmitter?
18 (NEC 725.179 H) - ANSWER✅✅According to NEC class 3 circuits are allowed a
minimum wire size of what gauge?
8 Feet
NEC 250.5.2.5 - ANSWER✅✅What is the minimum length of a grounding rod in an
application of less than 50 volts?
, Wooden plugs - ANSWER✅✅According to the NEC electrical equipment may not be
mounted to concrete, cinder block, or brick walls with one of these___.
300
(NEC 800.179) - ANSWER✅✅Communication cables shall have a voltage rating of
not less than how many volts?
Connected
(NEC 550.16) - ANSWER✅✅In a manufactured home the grounding bus shall be ___
through the green color insulated conductor in the supply cord or the feeder wiring
to the service ground in the service equipment located adjacent to the mobile home.
2
(NFPA 72 18.5.2.1) - ANSWER✅✅what is the maximum blink rate on a strobe light
per second?
10 foot gas pipe
(NEC 250.5.2 A) - ANSWER✅✅All of the following is acceptable as a ground except?
1 1/4 inches
(NEC 300.4 A 1) - ANSWER✅✅What is the minimum clearance to the edge of a
wood stud for a wire hole?
2 Feet
(NEC 810.13) - ANSWER✅✅The minimum clearance for an antenna to other
conductors is?
2 - ANSWER✅✅A basic alarm system will have __ power sources
60 Volts
(NEC 820.15) - ANSWER✅✅What is the maximum voltage that coax cable can carry?
50 Feet (NFPA 72 29.7.3.1) - ANSWER✅✅Heat detectors used within a family unit
must be listed as or approved for not less than ___ spacing?
3 hours - ANSWER✅✅The NEC classifies Continuous Load as equipment running at
a maximum load of __ ____?
Class ll Division 1
(NEC 500.5 C1) - ANSWER✅✅Determine the class and division for which location in
which sufficient quantities of combustible dust are normally present in the air to
produce explosive mixtures.
On the centerline of a doorway - ANSWER✅✅Given: a smoke detection system is
being installed to automatically close a double doorway in response to smoke
blowing in either direction, the ceiling is smooth. Where must the smoke detector be
installed?