and fire Questions and Answers 2026
According to NFPA 70, what is considered high voltage? - ANSWER-Anything over 30
V, excepting communication cables.
How deep should a grounding rod go? - ANSWER-8 feet.
How often must secondary batteries in residential smoke detectors be replaced? -
ANSWER-Every five years.
In a commercial fire alarm installation how long shall the annunciator sound until cutoff?
- ANSWER-15 minutes.
Other than a beam, what other ways can you trip a photo-electric smoke detector? -
ANSWER-Reflective light or movement.
Section 1 of SDS - ANSWER-Identification
Section 4 of SDS - ANSWER-First Aid
What are the top three lock manufacturers? - ANSWER-Schlage, Kwikset, and Yale.
What does an octagonal symbol with a thermostat symbol both inside and outside, with
R/F in the bottom right corner, mean? - ANSWER-Rise of rate/fixed heater detector
combo.
What does an octagonal symbol with a thermostat symbol inside and outside with R in
the bottom right corner mean? - ANSWER-Rise of rate heat detector.
What federal group works to ensure the safety, life, security, and well-being of workers?
- ANSWER-The Occupational Safety and Health Administration (OHSA).
What is a local alarm system? - ANSWER-Not monitored.
What is an example of an REX device? - ANSWER-A motion detector.
What is inversely proportional to current? - ANSWER-Resistance.
What is required on an SDS label? - ANSWER-Contents and ingredients.
What is the health and safety commission? - ANSWER-It provides info and training to
employees about dangers in the workplace and how to avoid them.