Which of the following is a step you should take to properly lockout and tagout electrical equipment and machinery?
a.
avoid testing equipment and circuitry to ensure they are de-energized
b.
enable backup energy sources, such as generators and batteries
c.
identify only the primary source of electrical energy for the equipment or circuits in question.
d.
make sure all workers are safe and accounted for before equipment and circuits are unlocked and turned back on