ATT COMP TEST 6 COMPLETE PREPARATION
GUIDE WITH COMMUNICATION SYSTEMS AND
TROUBLESHOOTING SKILLS
◉ What is a GFCI?
Answer: Ground Fault Circuit Interrupter (automatically shut's off
electrical flow in the event of an overload)
◉ TS Transformers
Answer: Open: T doesn't generate output V
Short: could be partial which would then change number of coils so
Ep would change or Es
◉ What is voltage
Answer: Potential of electric energy; pressure of electrons pushing
away from each other.
◉ Current is defined as __________________________.
Answer: a flow of electric charge
◉ What are some factors affecting shock?
,Answer: Amount of current, path of current, amount of body
resistance, and length of time current flows in body
◉ What is not a primary factor in severity of an electric shock?
Answer: The general health of the victim.
◉ Ways to prevent shock?
Answer: Isolate, insulate & ground
◉ What is the minimum AC current required to cause severe muscle
contractions?
Answer: 12 mA
◉ How much more DC is required to freeze the body than AC?
Answer: 5 times more
◉ What types of burns are there?
Answer: Electrical burns, arc burns, and thermal contact burns
◉ Electrical burns are what?
Answer: Electrical current flowing through tissue or bones
, ◉ Arc burns are what?
Answer: Electrical current flowing through tissue or bones
◉ Thermal contact burns are what?
Answer: When skin comes in contact with hot surfaces of
overheated electrical conductors
◉ Factors of electrical accidents
Answer: Unsafe equipment, unsafe environment, and unsafe work
practices
◉ What should you do first if someone has been shocked?
Answer: Remove the victim from the source.
◉ What type of protection is worn when use of a tool produces
sparks and debris?
Answer: Safety goggles.
◉ What category includes electrical fires?
Answer: Class C.
◉ Switches have __________ resistance when closed, and ____________
resistance when open.
GUIDE WITH COMMUNICATION SYSTEMS AND
TROUBLESHOOTING SKILLS
◉ What is a GFCI?
Answer: Ground Fault Circuit Interrupter (automatically shut's off
electrical flow in the event of an overload)
◉ TS Transformers
Answer: Open: T doesn't generate output V
Short: could be partial which would then change number of coils so
Ep would change or Es
◉ What is voltage
Answer: Potential of electric energy; pressure of electrons pushing
away from each other.
◉ Current is defined as __________________________.
Answer: a flow of electric charge
◉ What are some factors affecting shock?
,Answer: Amount of current, path of current, amount of body
resistance, and length of time current flows in body
◉ What is not a primary factor in severity of an electric shock?
Answer: The general health of the victim.
◉ Ways to prevent shock?
Answer: Isolate, insulate & ground
◉ What is the minimum AC current required to cause severe muscle
contractions?
Answer: 12 mA
◉ How much more DC is required to freeze the body than AC?
Answer: 5 times more
◉ What types of burns are there?
Answer: Electrical burns, arc burns, and thermal contact burns
◉ Electrical burns are what?
Answer: Electrical current flowing through tissue or bones
, ◉ Arc burns are what?
Answer: Electrical current flowing through tissue or bones
◉ Thermal contact burns are what?
Answer: When skin comes in contact with hot surfaces of
overheated electrical conductors
◉ Factors of electrical accidents
Answer: Unsafe equipment, unsafe environment, and unsafe work
practices
◉ What should you do first if someone has been shocked?
Answer: Remove the victim from the source.
◉ What type of protection is worn when use of a tool produces
sparks and debris?
Answer: Safety goggles.
◉ What category includes electrical fires?
Answer: Class C.
◉ Switches have __________ resistance when closed, and ____________
resistance when open.
