Safety Standards & Regulations Flashcards

Under OSHA's Lockout/Tagout (LOTO) standard 29 CFR 1910.147, which action must be performed FIRST before servicing energized equipment?

Answer: Shut off the equipment using the normal stopping procedure

LOTO procedures require the equipment to be turned off using its normal stopping procedure before isolating the energy source.

Which NFPA standard governs the installation of electrical wiring and equipment in the United States?

Answer: NFPA 70 (National Electrical Code)

NFPA 70, the National Electrical Code (NEC), is the benchmark for safe electrical design, installation, and inspection.

A CPI technician is working in a confined space that has previously held flammable vapors. What is the minimum atmospheric oxygen level considered safe for entry?

Answer: 19.5%

OSHA defines an oxygen-deficient atmosphere as below 19.5%, so 19.5% is the minimum acceptable level for safe entry.

Which class of fire extinguisher is specifically rated for use on energized electrical equipment?

Answer: Class C

Class C extinguishers use non-conductive agents and are rated for fires involving energized electrical equipment.

According to OSHA 29 CFR 1926 Subpart R, when must fall protection be provided for workers on walking/working surfaces with an unprotected edge?

Answer: At 6 feet in construction

OSHA's construction standard (29 CFR 1926.502) requires fall protection at 6 feet above a lower level.

What does the acronym 'GFI' or 'GFCI' stand for in electrical safety?

Answer: Ground Fault Circuit Interrupter

GFCI stands for Ground Fault Circuit Interrupter, a device that protects against ground faults by cutting power within milliseconds.

Under the Hazard Communication Standard (HazCom 2012), how many sections are required in a Safety Data Sheet (SDS)?

Answer: 16

OSHA's HazCom 2012 aligns with GHS and requires SDS documents to have exactly 16 standardized sections.