CEP Safety Standards & Compliance 2

Question 1

Under OSHA 29 CFR 1910.147, what is the minimum energy control procedure requirement before servicing energized electrical equipment?

Accepted Answer

Apply lockout/tagout and verify zero energy state

Answer

OSHA 1910.147 requires authorized employees to isolate equipment, apply lockout/tagout devices, and verify zero energy state before servicing.

Question 2

According to NFPA 70E, which PPE category is required when the incident energy exposure is between 4 and 8 cal/cm²?

Accepted Answer

PPE Category 2

Answer

NFPA 70E PPE Category 2 applies when incident energy exposure is between 4 and 8 cal/cm², requiring an arc rating of at least 8 cal/cm².

Question 3

What does the NEC Article 110.26 specify regarding working space in front of electrical equipment rated 600V or less?

Accepted Answer

Minimum 30 inches of width and depth based on voltage class

Answer

NEC 110.26 requires a minimum 30-inch width and a depth (condition-based) of 3 to 4 feet for working space in front of equipment 600V or less.

Question 4

Which standard governs the installation of grounding electrode systems for electrical services in the United States?

Accepted Answer

NEC Article 250

Answer

NEC Article 250 covers all requirements for grounding and bonding, including grounding electrode systems for electrical services.

Question 5

A qualified electrical worker must establish an electrically safe work condition before entering a restricted approach boundary. What is the FIRST step in this process?

Accepted Answer

Identify all sources of electrical energy

Answer

NFPA 70E requires that all sources of electrical energy to the equipment be identified before any other steps are taken to establish an electrically safe work condition.

(CEP) Certified Electrical Professional Practice Test

(CEP) Certified Electrical Professional Practice Test

CEP Safety Standards & Compliance 2