Name: 
 

Chapter 1



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Any material or substance through which electricity flows is called a ____.
a.
power source
c.
conductor
b.
circuit
d.
load
 

 2. 

The Code of Federal Regulations is published by the ____.
a.
NEC®
c.
MSDS
b.
OSHA
d.
NRA
 

 3. 

Current flow is measured in ____.
a.
volts
c.
amperes
b.
watts
d.
ohms
 

 4. 

Guardrails are required when workers are on platforms ____ feet or higher.
a.
5
c.
15
b.
10
d.
20
 

 5. 

Ohm’s law is expressed by the following formula: ____.
a.
Current = Electrical Force / Resistance
b.
Electrical Force = Current * Resistance
c.
Current = Electrical Force * Resistance
d.
Resistance = Electrical Force / Current
 

 6. 

If a tool is constructed and labeled as ____, a two-prong polarized plug can be used with it.
a.
polarized
c.
grounded
b.
green wired
d.
double insulated
 



 
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