WITH ACCURATE ANSWERS 100% .
Arc - Correct Answer -A luminous and potentially destructive flash or flame in or about the
wires, third rail, or electric apparatus caused by the passage of electric current through the air.
Autotransformer - Correct Answer -A power transformer with only one winding that is used
to boost voltage.
Bus Jumper - Correct Answer -A cable used to transmit high voltage power between
pantographs and/or one unit of electric equipment to another.
Circuit - Correct Answer -The complete path over which electric current is transmitted from
and returned to its source.
Circuit Breaker/Interrupter - Correct Answer -A device which normally operates
automatically under conditions of overload , short circuit , or by remote control to energize or
de energize transmission lines , signal power lines , catenary , third rail , or primary circuits
on electric equipment so equipped .
Class A - Correct Answer -Linemen, Substation Electricians, Third Rail Men, and C&S
employees who are trained and qualified to provide protection services as well as work on or
about the electrification system.
Class A ET Trainee - Correct Answer -ET Trainees who have passed their 12 month test and
Class A qualification.
Class A Qualified List - Correct Answer -A list of employees qualified in a defined territory
to receive clearances. The Assistant Division Engineer
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, Class B - Correct Answer -Mechanical department personnel trained to perform work on top
of electric equipment in electrified territory under the conditions authorized in these
instructions, for their protection only.
Class C - Correct Answer -Personnel qualified to perform work in electrified territory.
Contact Wire - Correct Answer -The wire in the catenary from which the pantograph collects
current.
Dead section (DS) - Correct Answer -A de-energized section of the catenary. The limits are
designated by dead section signs at locations specified in the Timetable.
De-Energized - Correct Answer -Electrical circuits/apparatus disconnected from the power
sources are considered dangerous to life until tested de-energized and properly grounded.
Electric Equipment - Correct Answer -Locomotives and multiple unit cars operated by power
received from the catenary or third rail.
Emergency Condition - Correct Answer -A circumstance which presents a hazard to life
infrastructure or equipment that may interfere with train movement.
Energized - Live (Dangerous to Life) - Correct Answer -Electrical currents/apparatus
connected to a power source.
High Equipment - Correct Answer -Equipment that, when on top of, will place employee
within 3 feet of the catenary.
Impedance Bond - Correct Answer -A device which separates signal track circuits from
traction return circuits by providing a path for traction return current around insulated block
joints
Load Dispatcher - Correct Answer -An employee who monitors and regulates power
demands for the 25 Hz electrification system.
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