Certified Electrical Safety Compliance Professional
(CESCP) Practice Exam
What is the primary purpose of NFPA 70E?
A) Electrical system design
B) Workplace electrical safety
C) Product testing standards
D) Utility regulations
ANSWER: B) Workplace electrical safety
EXPLANATION: NFPA 70E establishes electrical safety requirements for employee
workplaces to prevent electrical injuries.
Which OSHA standard specifically addresses electrical safety?
A) 29 CFR 1910.147
B) 29 CFR 1910.269
C) 29 CFR 1910.332
D) 29 CFR 1910.333
ANSWER: B) 29 CFR 1910.269
EXPLANATION: OSHA 1910.269 covers electrical power generation, transmission, and
distribution, while 1910.301-399 covers general industry electrical standards.
What is the minimum approach distance for a 13.8kV system?
A) 2 feet 1 inch
B) 2 feet 7 inches
,C) 3 feet 6 inches
D) 4 feet 0 inches
ANSWER: A) 2 feet 1 inch
EXPLANATION: For 13.8kV, the minimum approach distance is 2 feet 1 inch (0.64m) based
on NFPA 70E Table 130.4(C)(a).
Which document must be completed before energized electrical work?
A) Job Safety Analysis
B) Energized Electrical Work Permit
C) Hazard Assessment Form
D) All of the above
ANSWER: B) Energized Electrical Work Permit
EXPLANATION: NFPA 70E requires an Energized Electrical Work Permit for work on
energized equipment >50V, unless meeting specific exceptions.
What is the definition of "Arc Flash Boundary"?
A) Distance where incident energy equals 1.2 cal/cm²
B) Distance where incident energy equals 5.0 cal/cm²
C) Distance for shock protection
D) Distance where voltage can be measured
ANSWER: A) Distance where incident energy equals 1.2 cal/cm²
EXPLANATION: The arc flash boundary is established at the distance where incident energy
equals 1.2 cal/cm², which can cause second-degree burns.
,What PPE category requires a minimum arc rating of 8 cal/cm²?
A) Category 1
B) Category 2
C) Category 3
D) Category 4
ANSWER: B) Category 2
EXPLANATION: Category 2 PPE requires minimum 8 cal/cm² arc rating per NFPA 70E Table
130.7(C)(15)(c).
What is the primary method of controlling electrical hazards?
A) De-energizing equipment
B) Using proper PPE
C) Establishing boundaries
D) Warning signs
ANSWER: A) De-energizing equipment
EXPLANATION: De-energizing is the primary and preferred method of hazard control
according to NFPA 70E.
Which test instrument category is for measurements at the service entrance?
A) CAT I
B) CAT II
C) CAT III
D) CAT IV
ANSWER: D) CAT IV
, EXPLANATION: CAT IV instruments are for measurements at the origin of low-voltage
installations like service entrance.
What is the maximum allowable incident energy for HRC 2?
A) 4 cal/cm²
B) 8 cal/cm²
C) 25 cal/cm²
D) 40 cal/cm²
ANSWER: B) 8 cal/cm²
EXPLANATION: Hazard Risk Category 2 corresponds to incident energy up to 8 cal/cm².
Who is responsible for implementing electrical safety procedures?
A) Qualified persons only
B) Supervisors only
C) The employer
D) Equipment manufacturers
ANSWER: C) The employer
EXPLANATION: The employer has ultimate responsibility for implementing and enforcing
electrical safety procedures.
What is the minimum training frequency for qualified electrical workers?
A) Annually
B) Every 2 years
C) Every 3 years
D) When procedures change
(CESCP) Practice Exam
What is the primary purpose of NFPA 70E?
A) Electrical system design
B) Workplace electrical safety
C) Product testing standards
D) Utility regulations
ANSWER: B) Workplace electrical safety
EXPLANATION: NFPA 70E establishes electrical safety requirements for employee
workplaces to prevent electrical injuries.
Which OSHA standard specifically addresses electrical safety?
A) 29 CFR 1910.147
B) 29 CFR 1910.269
C) 29 CFR 1910.332
D) 29 CFR 1910.333
ANSWER: B) 29 CFR 1910.269
EXPLANATION: OSHA 1910.269 covers electrical power generation, transmission, and
distribution, while 1910.301-399 covers general industry electrical standards.
What is the minimum approach distance for a 13.8kV system?
A) 2 feet 1 inch
B) 2 feet 7 inches
,C) 3 feet 6 inches
D) 4 feet 0 inches
ANSWER: A) 2 feet 1 inch
EXPLANATION: For 13.8kV, the minimum approach distance is 2 feet 1 inch (0.64m) based
on NFPA 70E Table 130.4(C)(a).
Which document must be completed before energized electrical work?
A) Job Safety Analysis
B) Energized Electrical Work Permit
C) Hazard Assessment Form
D) All of the above
ANSWER: B) Energized Electrical Work Permit
EXPLANATION: NFPA 70E requires an Energized Electrical Work Permit for work on
energized equipment >50V, unless meeting specific exceptions.
What is the definition of "Arc Flash Boundary"?
A) Distance where incident energy equals 1.2 cal/cm²
B) Distance where incident energy equals 5.0 cal/cm²
C) Distance for shock protection
D) Distance where voltage can be measured
ANSWER: A) Distance where incident energy equals 1.2 cal/cm²
EXPLANATION: The arc flash boundary is established at the distance where incident energy
equals 1.2 cal/cm², which can cause second-degree burns.
,What PPE category requires a minimum arc rating of 8 cal/cm²?
A) Category 1
B) Category 2
C) Category 3
D) Category 4
ANSWER: B) Category 2
EXPLANATION: Category 2 PPE requires minimum 8 cal/cm² arc rating per NFPA 70E Table
130.7(C)(15)(c).
What is the primary method of controlling electrical hazards?
A) De-energizing equipment
B) Using proper PPE
C) Establishing boundaries
D) Warning signs
ANSWER: A) De-energizing equipment
EXPLANATION: De-energizing is the primary and preferred method of hazard control
according to NFPA 70E.
Which test instrument category is for measurements at the service entrance?
A) CAT I
B) CAT II
C) CAT III
D) CAT IV
ANSWER: D) CAT IV
, EXPLANATION: CAT IV instruments are for measurements at the origin of low-voltage
installations like service entrance.
What is the maximum allowable incident energy for HRC 2?
A) 4 cal/cm²
B) 8 cal/cm²
C) 25 cal/cm²
D) 40 cal/cm²
ANSWER: B) 8 cal/cm²
EXPLANATION: Hazard Risk Category 2 corresponds to incident energy up to 8 cal/cm².
Who is responsible for implementing electrical safety procedures?
A) Qualified persons only
B) Supervisors only
C) The employer
D) Equipment manufacturers
ANSWER: C) The employer
EXPLANATION: The employer has ultimate responsibility for implementing and enforcing
electrical safety procedures.
What is the minimum training frequency for qualified electrical workers?
A) Annually
B) Every 2 years
C) Every 3 years
D) When procedures change