CAT Safety and Compliance 2

Question 1

Under OSHA's lockout/tagout (LOTO) standard, when must an alarm technician re-verify that energy is isolated before working on a panel?

Accepted Answer

After any interruption or shift change that breaks continuous control of the lockout device

Answer

Only during initial installation

Answer

Once per week regardless of activity

Answer

Only when the supervisor is on-site

Question 2

Which NFPA standard primarily governs the installation of fire alarm systems in the United States?

Accepted Answer

NFPA 72

Answer

NFPA 25

Answer

NFPA 70

Answer

NFPA 101

Question 3

A technician is installing wiring in a commercial building and must run alarm cable through the same conduit as 480 V power wiring. This is:

Accepted Answer

Prohibited by NEC Article 760

Answer

Permitted if the alarm cable is rated for 600 V

Answer

Permitted if a metallic separator is used

Answer

Permitted only in residential occupancies

Question 4

What does the term 'listed' mean when applied to alarm equipment?

Accepted Answer

The equipment is included in a recognized testing laboratory's published list of compliant products

Answer

The equipment is registered with the state licensing board

Answer

The equipment has been installed for at least one year without incident

Answer

The equipment is approved by the local fire marshal only

Question 5

When performing a fire alarm inspection, a technician discovers that a pull station is painted over. The correct action is to:

Accepted Answer

Replace or restore the pull station to manufacturer specifications and report the deficiency

Answer

Document it and leave it since paint is non-conductive

Answer

Repaint it with a contrasting color

Answer

Test it by pulling and consider it compliant if it activates

Question 6

A Class A initiating device circuit (IDC) differs from Class B primarily in that Class A:

Accepted Answer

Provides a supervised return path so a single open fault does not disable the entire circuit

Answer

Uses wireless devices only

Answer

Requires twice the number of conductors per device

Answer

Is only used in commercial occupancies

Question 7

What is the minimum battery standby time required by NFPA 72 for a fire alarm system in a non-supervising station configuration?

Accepted Answer

24 hours

Answer

4 hours

Answer

12 hours

Answer

72 hours