NETA Safety and PPE 3

Question 1

According to NFPA 70E, what is the minimum incident energy threshold that triggers mandatory use of arc-rated PPE?

Accepted Answer

1.2 cal/cm²

Answer

0.5 cal/cm²

Answer

4 cal/cm²

Answer

8 cal/cm²

Question 2

Which lockout/tagout step must be performed FIRST when preparing to de-energize electrical equipment?

Accepted Answer

Identify all energy sources

Answer

Apply lockout devices to energy isolating points

Answer

Notify affected employees

Answer

Verify zero energy state

Question 3

What type of PPE is required when working within the restricted approach boundary of exposed energized conductors?

Accepted Answer

Shock protection PPE appropriate to the voltage

Answer

Standard work gloves and hard hat

Answer

Insulated tools only, no PPE upgrade needed

Answer

Arc-rated PPE only, shock protection not required

Question 4

Which ASTM standard governs the performance requirements for arc-rated face protective products (face shields and hoods)?

Accepted Answer

ASTM F2178

Answer

ASTM F1891

Answer

ASTM F1506

Answer

ASTM F2621

Question 5

A technician discovers that a ground fault has made the equipment enclosure energized at 480V. What is the correct immediate action?

Accepted Answer

De-energize the system and report before touching

Answer

Continue working with rubber gloves

Answer

Notify a coworker and continue testing

Answer

Apply a temporary ground to the enclosure

Question 6

What is the purpose of equipotential bonding when working on high-voltage substation equipment?

Accepted Answer

To eliminate voltage differences between nearby conductive objects that could cause shock

Answer

To increase test voltage accuracy

Answer

To provide a current path for test equipment

Answer

To reduce capacitive coupling noise

Question 7

Which document must a NETA technician review before performing field testing to identify site-specific safety hazards?

Accepted Answer

Job hazard analysis (JHA) or site safety plan

Answer

Equipment nameplate only

Answer

Test equipment calibration certificate

Answer

Manufacturer's installation manual