DCI Safety Practices & Procedures 2

Question 1

When working in a ceiling plenum space, which respiratory hazard is most commonly encountered during cable installation?

Accepted Answer

Fiberglass particles from insulation disturbance

Answer

Disturbing fiberglass insulation in plenum spaces releases fine particles that can be inhaled, requiring appropriate respiratory protection.

Question 2

A cable installer notices a junction box with a missing knockout and exposed wiring. What is the correct first action?

Accepted Answer

Stop work in the area and notify the site electrician or supervisor

Answer

Exposed electrical wiring is an immediate shock hazard; work must stop and a qualified electrician must address the issue before continuing.

Question 3

Which class of fire extinguisher is appropriate for an electrical fire in a server room?

Accepted Answer

Class C

Answer

Class C extinguishers use non-conductive agents suitable for energized electrical equipment fires.

Question 4

When must a cable installer use a Ground Fault Circuit Interrupter (GFCI) protected outlet?

Accepted Answer

Whenever working near water or in damp locations

Answer

GFCI protection is required by OSHA and NEC whenever power tools are used in wet or damp environments to prevent electrocution.

Question 5

What does the Safety Data Sheet (SDS) Section 8 provide information about?

Accepted Answer

Exposure controls and personal protective equipment

Answer

SDS Section 8 covers exposure limits, engineering controls, and required PPE for safe handling of hazardous materials.

(DCI) Data Cabling Installer Practice Test