EXAMINATION STUDY GUIDE 2026
COMPLETE QUESTIONS AND ANSWERS
◉ A firefighter should not turn off electricity to an entire building
until he or she is ordered to, because it: (689) [4.3.18]
makes it harder for firefighters to work inside the building when
there is no electricity.
would be an inconvenience to occupants to have the utilities turned
off.
can cause unforeseen issues with forcible entry and overhaul
operations.
is necessary to operate essential systems such as elevators and
HVAC systems.
Answer: is necessary to operate essential systems such as elevators
and HVAC systems.
◉ What is the purpose of a lockout/tagout device? (689) [4.3.18]
Identify the area where the main power supply is located
Prevent automatic sprinklers from accidentally being activated
Identify the firefighter in charge of shutting down utilities
Prevent power from being turned back on before it is safe
, Answer: Prevent power from being turned back on before it is safe
◉ What hazard do solar panels present to firefighters? (690)
[4.3.18]
Directing water at a solar panel will cause it to release gases that can
cause immediate harm.
They are prone to spontaneous ignition and will explode without
warning.
Panels may still generate power after the main power supply is shut
off.
Directing water at a solar panel will generate a large amount of
steam.
Answer: Panels may still generate power after the main power
supply is shut off.
◉ When turning off the natural gas supply to a structure,: (691)
[4.3.18]
call the gas company and wait for them to arrive before attempting
to close the valve.
close the valve by turning the tang until it is 90 degrees to the pipe.
close the valve by turning the tang until it is directly in line with the
pipe.
a second firefighter must be standing by in case a hazardous
situation arises.