In US electrical work, what color is typically used for hot wiring, and what device protects people from electric shock due to faults?

• A. Blue for hot; Fuse protects against shocks.
• B. Green for hot; Breaker protects against shocks.
• C. Black (and sometimes red) for hot; Ground Fault Circuit Interrupter (GFCI) protects against shocks.
• D. White for hot; GFCI protects against shocks.

Answer: (C)