CAT Safety Procedures & PPE 2

Question 1

When working in a confined space such as an attic during a security system installation, which hazard must be assessed FIRST before entry?

Accepted Answer

Oxygen deficiency or toxic atmosphere

Answer

Oxygen deficiency or toxic atmosphere is the primary life-safety hazard in confined spaces and must be assessed before any worker enters.

Question 2

An alarm technician is drilling through a wall and the drill bit contacts an energized wire. What class of fire extinguisher is appropriate if a fire starts?

Accepted Answer

Class C

Answer

Class C extinguishers are rated for energized electrical equipment fires and use non-conductive agents.

Question 3

Which OSHA standard specifically governs the control of hazardous energy (lockout/tagout) that alarm technicians must follow when servicing equipment?

Accepted Answer

29 CFR 1910.147

Answer

29 CFR 1910.147 is the OSHA Control of Hazardous Energy standard requiring lockout/tagout procedures before servicing equipment.

Question 4

A technician notices that a co-worker's safety harness has a frayed lanyard. What is the correct action?

Accepted Answer

Remove it from service immediately and tag it out

Answer

Any damaged fall protection equipment must be immediately removed from service and tagged out to prevent use by other workers.

Question 5

What is the minimum approach distance from unguarded energized parts operating at 50–300 volts that an unqualified person must maintain?

Accepted Answer

Avoid contact — no specific distance required

Answer

For voltages up to 300V, NFPA 70E requires unqualified persons to avoid contact; they should not approach without an electrically qualified person present.

(CAT) Certified Alarm Technician Level I Practice Test

(CAT) Certified Alarm Technician Level I Practice Test

CAT Safety Procedures & PPE 2