Some portable appliances use double insulation in place of grounding to provide shock protection to users. Double-insulated appliances normally have ____ power cords and attachment plug caps.
A) three-wire
B) 16 AWG or larger
C) Type SJT
D) two-wire

Question

Quizplus · Accepted Answer

Double-insulated appliances use insulation as a protection method rather than grounding. Therefore, they do not require a third wire for grounding, making the power cords and attachment plug caps two-wire.

Some Portable Appliances Use Double Insulation in Place of Grounding