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electrical magic
magic eletric quiz
25
Other
Undergraduate 4
11/11/2015

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Cards

Term
Three ways to control electrical hazards
Definition
Engineering controls, work practices, PPE
Term
RED
Definition
Cut off switches and breakers
Term
Green
Definition
Safety items like eye wash stations
Term
ORANGE
Definition
Dangerous open circuits
Term
YELLOW
Definition
General Caution
Term
ladder for electricity
Definition
Fiberglass or aluminum
Term
Ground
Definition
A conducting connection, whether intentional or accidental, between an electrical circuit or equipoment and earth or to a conductor used in place of earth.
Term
GFCI
Definition
Ground-Fault Circuit Interrupter.
Device used to interrupt the electric circuit to the load when a fault current to ground exceeds a predetermined value less than required to operate the over current protective device of the supply circuit
does not work on ship
Term
qualified eltrical worker
Definition
person specifically trained in the hazards of working on energized parts and equipment.
Term
electriity is the_____ cause of death in construction.
Definition
second leading cause of death in construction
Term
electocution makes up ____% or construction fatalites annually
Definition
12
Term
hazards of electricity
Definition
Shock
Fires
Explosions
Arc Flash
Arc Blast
Term
AC currents 5 parts
Definition
Electrical source
HOT wire to the tool
The tool itself
Neutral wire returns electricity from the tool to the source(fround of "earth")
Ground
Term
3 ways shock occurs
Definition
contact with body conductors
Contact with one conductor and ground
with a tool: Contact with "hot" metal part and ground
Term
conductor
Definition
material that allows electrons to flow through it (copper wire)
Term
Current
Definition
the flow of electrons through a conductor
Term
insulator
Definition
Resists the flow of electrons (plastic coating around the wire)
Term
Resistance
Definition
opposes electron flow( thickness of the copper wire)
Term
ratio for ladder is
Definition
4:1
4 feet of rise you need 1 foot of run away from wall.
Term
when using a ladder always have ____ points of contact
Definition
3
Term
breaker/fuse
Definition
more or less the same, but breaker is re-settable while fuse needs to be replaced.
Term
double insulated housing protects...
Definition
the motor and protects you from motor electricity
Term
ship has no....
Definition
ground
Term
do no pull fuses from box unless you
Definition
lo/to
Term
capacitors hold a
Definition
charge, you must ground them
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