Section : ____________________________

Directions:  There are 2 pages and 18 questions to this quiz.  All answers are worth 1 point each.  Be sure to place your name at the top of this page.

The following statements are either True or False.

1.  The human body is not electrically controlled.

2.  Different persons have different resistance and sensitivities to electricity.

3.  Safety is everyone's responsibility.

4.  For 99.9 % of the population the threshold of current perception is about 0.5 microamps.

5.  Capacitor discharges in excess of 20 joules are likely to be hazardous.

6.  A primary safety measure is grounding the equipment chassis through a wire in the power cord.

7.  Probably the best-known safety testing and certifying laboratory is Underwriters' Laboratories, Inc. (UL).

8.  Currents above the reaction-current level may cause involuntary movement.

9.  Cardiac arrest may be caused by relatively low currents flowing in the region of the heart.

10.  Electric currents may produce deep burns.
 

Complete the following statements:
 

11.  The "_______-______  _________"  is the maximum current that a person can tolerate and still

______________ the conductor by using the muscles directly stimulated by the current -- the average is

______ __________ AC for men.   The "_______________" is the source of current that the person has

grasped.
 

12.  The out doors resistance for wet skin was specified as ______ ______ and the indoors dry skin

resistance was specified as ______ ______.
 

Choose the correct word or words that will make the following statements true.

General Safety Precautions

13.  Except when absolutely necessary, turn ( off / on ) power or (connect / disconnect) power source before working on  electrical or electronic circuits.

14.  Consider all wires and terminals to be ( dead / live ) until proven otherwise by a safe test method.

15.  In general, treat all circuits as if ( high/ medium/ low ) voltage or ( low/ medium/ high ) current is present.

16.  ( Wear / Remove ) metal jewelry, watches, rings, chains, etc., before working on electrical circuits or equipment.

17.  Turn ( on / off ) power and ( unplug / plug ) equipment before checking or replacing fuses.

18.  ( Never / Always ) check the electrical ratings of the equipment you use, and be sure you use that equipment ( beyond / within ) its ratings.