Licensed Electrical Contractor Safety and OSHA Regulations 2

Question 1

Under OSHA 29 CFR 1926.416, what is the minimum safe approach distance for unqualified workers near exposed energized conductors operating at 50 kV?

Accepted Answer

10 feet

Answer

3 feet

Answer

6 feet

Answer

15 feet

Question 2

Which OSHA standard specifically governs electrical safety in construction environments?

Accepted Answer

29 CFR 1926.400

Answer

29 CFR 1910.303

Answer

29 CFR 1910.147

Answer

29 CFR 1926.502

Question 3

A worker is injured on a job site with 12 employees. Under OSHA recordkeeping rules, within how many hours must a work-related fatality be reported to OSHA?

Accepted Answer

8 hours

Answer

4 hours

Answer

24 hours

Answer

48 hours

Question 4

What does the term 'equipotential bonding' accomplish in an electrical safety context?

Accepted Answer

Reduces voltage differences between conductive parts to prevent shock

Answer

Increases circuit impedance to limit fault current

Answer

Disconnects equipment automatically during a ground fault

Answer

Provides a redundant neutral conductor

Question 5

Under OSHA 29 CFR 1910.332, which employees are required to receive electrical safety training?

Accepted Answer

All employees who face a risk of electric shock not reduced to a safe level

Answer

Only licensed electricians

Answer

Employees working within 10 feet of any energized conductor

Answer

Only employees who work in restricted access areas

Question 6

When is it permissible to use aluminum ladder rungs on an electrical job site?

Accepted Answer

Only when work is performed on de-energized circuits

Answer

Never; only fiberglass ladders are permitted near electrical work

Answer

Only when insulated gloves rated for the voltage are worn

Answer

Aluminum ladders may be used if the voltage is below 300V

Question 7

What is the primary purpose of an Arc Flash Hazard Analysis as required by NFPA 70E?

Accepted Answer

To determine incident energy levels and required PPE for workers

Answer

To calculate the fault current available at each panel

Answer

To identify all energized conductors in a facility

Answer

To schedule preventive maintenance on circuit breakers