MAINTENANCE
MECHANIC
CERTIFICATION LEVEL 1
QUESTION AND CORRECT
ANSWERS (VERIFIED
ANSWERS) PLUS
RATIONALES 2026 Q&A
INSTANT DOWNLOAD
PDF.
Electrical tools that are constructed so that the case is
insulated from electrical energy. The case is made of a
, nonconductive material - answers 100% correct✔✔
Double insulated/ungrounded tools
A protective device that functions to de-energize a circuit
or portion thereof within an established period of time
when a current to ground exceeds some predetermined
value. This value is less than that required to operate the
over current protective device of the supply circuit. -
answers 100% correct✔✔ Ground Fault Circuit
Interrupter (GFCI)
-Falls
-Electric shock/arc burns
-Being crushed by falling material
-Being struck by flying or moving equipment - answers
100% correct✔✔ 4 most life threatening hazards on
a construction site
movement of electrons - answers 100% correct✔✔
electrical current
silver, copper, steel, aluminimum, human body -
answers 100% correct✔✔ example of conductors