Which of the following types of grounding system is used to limit fault current and requires that each phase be monitored for any ground fault currents that might flow in the circuits?
A. Stage grounding
B. Delay grounding
C. Section grounding
D. Impedance grounding
2. Which of the following is a device that protects personnel by de-energizing a circuit when the current to ground rises higher than 6 milliamps?
A. A GFCI
B. A BFGI
C. An EGFP
D. An EGCA
3. Which of the following does not require ground fault protection?
A. A receptacle in an unfinished shed at grade level
B. A ceiling receptacle in a bedroom
C. An outside receptacle on a residential deck
D. An outside receptacle on the balcony of a multistory building
4. A multistory apartment building has outdoor receptacles installed on each story, at each occupant's balcony. In order to meet National Electrical Code requirements,
A. only the receptacles on the ground-level story must be GFCI protected.
B. all of the receptacles must be GFCI protected.
C. only the receptacles on the roof-level story must be GFCI protected.
D. no GFCI protection is needed in any of the receptacles.
5. Imagine that you're installing a service to a hydromassage tub. The bonding jumper between all of the metal components of the system must terminate at the
A. feed water line.
B. tub's heaters.
C. circulating pump motor.
D. tub's handrails.