1. The neutral conductor shall not be ____________.

• Stranded

• Solid

• Insulated

• Fused

2. The voltage drop in a line can be decreased by_______________.

I. Increasing the wire size

II. Increasing the current

III. Decreasing the load

• I only

• I and II only

• I, II and III

• I and III only

3. In a residence, no point along the floor line in any wall space may be more than ___ feet from an outlet.

• 6

• 6 ½

• 12

• 10

4. Insulating safety grips on tools __________.

• Are enough

• Are not meant for that purpose

• Should be used with other insulating equipment

• Are not enough

5. The rating of any one portable appliance shall not exceed ___ percent of the branch circuit rating.

• 40

• 50

• 70

• 80

6. A generic term for a group of non-flammable synthetic chlorinated hydrocarbons used as electrical insulating media.

• Askarel

• Acid

• Chloragorm

• Solder

7. The part of an electrical system that performs a mechanical function rather than an electrical function is called a (an) _____________.

• Receptacle

• Device

• Fitting

• Outlet

8. An electrical condenser is best defined as _______________.

• A coil of wire

• A wrapping of layers of metal foil

• A coil of wire with layers of metal foil

• A wrapping of many layers of metal foil set apart by waxed paper

9. Solid wire is preferred instead of stranded wire in panel wiring because ____________.

• Costs less than stranded

• Solid will carry more current

• Can be “shaped” better

• No derating required for solid

10. Which one of the following is not an insulator?

• Bakelite

• Oil

• Air

• Salt water