Why must an arcing device be contained within a special enclosure?
To lock out any unauthorized users of the device
To allow gases and vapors to enter the conduit system
To keep out dust and protect the device
To prevent the ignition of hazardous vapors
Once you have been given an assignment and all the procedures and safety guidelines are fully understood, you should _____.
wait until the area supervisor gives the okay to start
wait 24 hours before starting on the project
find a co-worker to help with the project
assume responsibility for the task without further reminders
Which of the following should be done if an unsafe condition is observed on a job site?
Employees should stay at the site and divert other people away.
A letter should be written to the owner.
OSHA should be notified.
It should be reported to the supervisor.
Electrical licensing requirements are set by _____.
OSHA
NCCER
states or municipalities
DOL
Electricians that work with three-phase power, motors, and motor control systems most likely work in _____.
residential construction
apartment buildings
office buildings
industrial facilities
