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Ground Fault Circuit Interrupter-GFCI


Quiz Questions

1.A ground fault circuit interrupter is called a GFCI. True or False?
True
False
2. GFCIs have played a key role in ________ electrocutions.
increasing
reducing
3.The GFCI is designed to protect people from severe or fatal electric shocks because a GFCI __________ ground faults.
detects
elevates
4.If ______ provides a path to the ground for this current, you could be burned, severely shocked or electrocuted.
wood
body (live)
5.A GFCI constantly monitors current flowing through a circuit. If the current flowing into the circuit differs by a very small amount as little as _____ amperes from the returning current, the GFCI interrupts power faster than a blink of an eye to prevent a lethal dose of electricity.
0.006
1
6.The circuits that require GFCI protection are designated by the _________________ (NEC).
Natural electrode circuit
Nation Electric Code
7.NEC GFCI requirement of underwater pool lighting has been effective since ____________.
1723
1968
8. Ground Fault Circuit Interrupter-GFCI
According to the above diagram, what does the red button do? (Refer to page 3)
Reset
Test
9.A circuit breaker with a built-in GFCI may be installed in a panel box to add protection to the circuits it supplies.
True
False
10.It is recommended to test every GFCI;

  • After installation
  • At least once a month
  • __________________
  • According to the manufacturer’s instructions
After a power failure
After switching on a light bulb