You touched a worn cord and you felt a slight tingling sensation, what could be the current amperage rating in the cord?
A. 1 mA
B. 3 mA
C. 5 mA
D. 6 — 16 mA

Which of these appliances is double insulated?

A. Electric drill
B. Earphones
C. Refrigerator
D. Cell phone charger

How will you describe plugging in too many appliances in one extension wire?

A. Extension cord wiring
B. Octopus wiring
C. Parallel wiring
D. Series wiring​