When It Comes to Power Tool Safety, Which Is NOT

Multiple Choice

When it comes to power tool safety, which is NOT a rule that should be observed at all times?

A) Only plug corded tools into GFCI-protected outlets.
B) Tools that are not double-insulated must be connected to an electrical ground.
C) Be sure corded and pneumatic tools are plugged in when changing blades, bits, and attachments.
D) Use power tools only if you've received instruction in their use.