Power Tool Safety and Operation Flashcards
6 cards from real NCCER CORE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Power Tool Safety and Operation flashcards as text
What does GFCI stand for, and why is it important for power tool use?
Answer: Ground Fault Circuit Interrupter - protects against shock
A GFCI detects ground faults and shuts off power in milliseconds to prevent electrical shock.
What is the proper body position when operating a portable power saw?
Answer: Stand to the side, never directly behind the blade
Always stand to the side of the blade path to avoid the kickback zone.
When should a power tool be inspected?
Answer: Before each use
Power tools must be inspected before each use to identify damage or missing safety features.
What is the purpose of a dead-man switch on a power tool?
Answer: To shut off the tool when the operator releases the trigger
A dead-man switch automatically stops the tool when the trigger is released.
What should be done with the chuck key after tightening a drill bit?
Answer: Remove it immediately - a spinning key becomes a projectile
The chuck key must be removed immediately. A spinning key becomes a dangerous projectile.
What type of protection prevents shock by using two layers of insulation instead of a ground wire?
Answer: Double insulation
Double-insulated tools have two separate insulation layers, eliminating the need for a third-wire ground.