NFPA EXAM BUNDLE

2. For exposed 480 VAC energized conductors and using NFPA 70E Table 130.2(C) or the Shock Protection Boundaries and PPE Fermilab Summary table for NFPA 70E, the Restricted Approach Boundary for shock protection is a. 1 Inch b. 7 Inches c. 1 Foot d. 3 Feet 6 Inches - ACCURATE ANSWER-c 3. F...

What does the general duty clause of the Occupational Safety and Health Act require of employers? - SOLVED ANSWER-Provide a workplace free from recognized hazards What do safety-related work practices require regarding cell lines? - SOLVED ANSWER-The cell line is not grounded through the welding ...

The 3 hazards of electricity are? - SOLVED ANSWER-Shock, Arc Flash, Ark Blast When an individual disconnect device in an energized MMC has been locket out, that MCC is... - SOLVED ANSWER-Still a potential Arc Flash risk When working within the restricted approach boundary which is REQUIRED in ...

Standard for electrical safety in the workplace - SOLVED ANSWER-NFPA 70E 1979 - SOLVED ANSWER-Originally developed at OSHA's request, the first edition of NFPA 70E was published in _______ and contained installation safety requirements borrowed from the National Electric Code. 1981 - SOLVED A...

Electrically Safe Work Condition - SOLVED ANSWER-When the conductors or circuit parts: -Have been disconnected, locked out or tagged out, verified to have been disconnected, temporarily grounded An electrically safe work condition needed: -If an employee is going to be within the limited appro...

What is an Arc Flash? - SOLVED ANSWER-A short circuit that jumps through the air from one exposed conductor to another. What makes an Ar Flash dangerous? - SOLVED ANSWER-Temperatures of up to 35k' F, shrapnel, molten metal, chocks, shockwave (2k lbs/foot^2), soud (140 dB), burn injuries. Haza...

Arc Flash Hazard - SOLVED ANSWER-A source of possible injury or damage to health associated with the release of energy caused by an electrical arc. Arc Rating - SOLVED ANSWER-The value attributed to materials that describes their performance to exposure to an electrical arc discharge. The arc rat...

NFPA 70E requires the employer to implement and document a _____ program. - SOLVED ANSWER-Electrical Safety Article ____ covers safety related maintenance requirements for fuses and circuit breakers. - SOLVED ANSWER-225 Article ____ outlines what is covered and not covered by NFPA 70E. - SOLVE...

(01.) An Introduction to NFPA 70E - SOLVED ANSWER-Q.1 Maintenance Q.2 100 Q.3 Human Q.4 2018 Q.5 6,000 An Introduction to NFPA 70E - SOLVED ANSWER-Q.1 Annex Q Q.2 Elimination of hazard Q.3 Text shadings An Introduction to NFPA 70E - SOLVED ANSWER-Q.1 True Q.2 Both a and b (section... an...

What is arc flash? - SOLVED ANSWER-Arc flash is the visual electrical light and heat that occur during an arc fault What's the minimum voltage at which serious electric shock can occur? - SOLVED ANSWER-50 volts What determines the severity of injury in arc flash? - SOLVED ANSWER-The available...

ATPV - SOLVED ANSWER-Arc Thermal Performance Value-The incident energy (cal/cm^2) on a material or a multilayer system of materials that results in a 50 percent probability that sufficient heat transfer through the tested specimen is predicted to cause the onset of a second degree skin burn injury b...

ATPV - SOLVED ANSWER-Arc Thermal Performance Value-The incident energy (cal/cm^2) on a material or a multilayer system of materials that results in a 50 percent probability that sufficient heat transfer through the tested specimen is predicted to cause the onset of a second degree skin burn injury b...