WITH COMPLETE SOLUTIONS!!
. /. What is the most important rule of electrical safety? - Answer-Think first
/.Why should a person work with only one hand when possible? - Answer-So current
doesn't pass through your heart.
/.What range of electric current generally causes death? - Answer-100 to 200
milliamperes
/.What is fibrillation of the heart? - Answer-When the heart begins to quiver.
/.What is the operating principle of a defibrillator? - Answer-A current of 200 mA can
reset the heart.
/.Who is responsible for enforcing OSHA regulations? - Answer-The US secretary of
labor
/.What is the mission of OSHA? - Answer-To ensure safe and healthful workplaces.
/.What is an MSDS? - Answer-Material Safety Data Sheet
/.A padlock is used to lock out a peice of equipment. Who should have the key? -
Answer-The person working on the equipment.
/.A ladder is used to reach the top of a building 16 ft. tall. What distance whould the
bottom of the ladder be placed from the side of the building? - Answer-4 feet (1/4 the
height of the ladder)
/.What is a ground fault? - Answer-And unintended path to the ground.
/.What is the approximate current at which a ground-fault detector will open a circuit? -
Answer-5 mA
/.Name three devices used to provide ground-fault protection. - Answer-Breaker,
receptacle, extension cord
/.What type of fire is class B? - Answer-Grease and gas
/.What section of the NEC covers grounding? - Answer-Article 250
, /.Where is the index located in your code book? - Answer-The back of the NEC
/.What NEC article has the majority of definitions? - Answer-Article 100
/.How many chapters are there in the NEC? - Answer-9
/.What method is recognized as the easiest and most reliable way to look up NED code
articles? - Answer-Subject indexing
/.When using the subject indexing technique, what should you do if the first subject you
choose to look up is not in the index? - Answer-Choose another subject word and try
again.
/.What is the definition of accessible (as applied to equipment)? - Answer-Admitting
close approach; not guarded by locked doors, elevation, or other effective means.
/.What is the definition of bonding jumper? - Answer-A reliable conductor to ensure the
required electrical conductivity between metal parts required to be electrically
connected.
/.The generic term for a group of nonflammable synthetic chlorinated hydrocarbons
used as electrical insulating media is known as: - Answer-askeral
/.At no point along the floor line, in any wall space, can you be more than 6 ft from a
receptacle outlet. To accomplish this requirement, floor receptacle outlets satisfying this
rule shall be located not more than____inches from the wall. - Answer-18
/.Raceways on exterior surfaces of buildings shall be_____ and arranged to drain. -
Answer-Suitable for use in wet conditions.
/.Which of the following are not standard size fuses of time inverse ckt breakers
according to the NEC? - Answer-55 amp (240.6A)
/.Which rooms listed below in a dwelling unit must always have a switch controlled
lighting outlet? - Answer-Every habitable room
/.There shall be a minimum of one____ ampere branch ckt for the laundry receptacle
outlet in a dwelling unit. - Answer-20amps
/.The maximun general purpose branch ckt rating of a flat conductor cable is ____
amperes. - Answer-20amps
/.A storable swimming pool is capable of holding water to a maximum depth of
____inches. - Answer-42"