Question

1. before connecting any power tool to a power source, it is critical to ______. a. make sure the tool has been cleaned and oiled b. ask your supervisor for permission c. confirm the power switch is set to off d. confirm the condition of all the tools attachments

Explanation:

Safety - first principle in using power - tools requires confirming the power switch is off before connecting to a power source to prevent accidental start - up and potential hazards.

Answer:

C. confirm the power switch is set to OFF