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The amount of energy it takes to create a second degree burn is:Select best answer
An arc-in-a-box can be up to twelve times stronger than an arc in open air.
Which of the following do not protect you from electric shock?Select best answer
According to NFPA 70E insulated tools are not required until you cross which shock protection boundary?Select best answer
According to NFPA 70E an energized work permit is required for troubleshooting.
You are performing energized work when you cross which shock protection boundary?Select best answer
High voltage is 601 volts and above as defined by OSHA
How often must you air test your gloves?Select best answer
A hard hat is good for an unlimited number of years as long as it pases the "snap, crackle, pop" test.
The majority of arc flashes occur at 277 volts.
An arc flash can occur when you are:Select best answer
Which of the following work practices protect you from arc flash hazards?Select best answer
Limited approach boundaries for low voltage and arc flash hazard boundaries are always 42 inches.