Term identifying the limitation of the movement of AC electric trains or engines within a
given territory. - Answer AC hold
A lighted and dangerous flash or flame in or about the wires, third rail, or electric
apparatus caused by the passage of electric current through the air. - Answer Arc
Solid wire suspended from the messenger wire from which the contact wire is attached -
Answer Auxiliary Wire
An alarm generated when the air system to the pantograph has been compromised -
Answer Broken paragraph/carbon alarm (BPA)
The complete path of which electric current is transmitted from and returned to its
source - Answer Circuit
Lineman, substation electricians, third rail men and c and s employees trained and
qualified to provide protection services working on or about the electrification system. -
Answer Class A
Mechanical department employees trained to perform work on top of electric equipment
in electrified terriftory under the conditions authorized in these instructions, for their
protection only. - Answer Class "B"
Employees qualified to perform work in electrified territory. - Answer Class "C"
That part of the pantograph which consists of a cluster of carbon strips and horns
, connected to main frame of the pantograph assembly by means of an apex. - Collector
Head Assembly
The wire in the catenary from which the pantograph connects current. - Contact Wires
The flow of electicity through a conductor - Current
A term used to describe the restriction of the movement of DC electric trains or engines
within a specified area. - Answer DC Hold
A de-energized section of the catenary. The limits are designated by dead sections
signs at locations specified in the timetable - Answer Dead section 'DS"
Electrical circuit/apparatus disconnected from the power sources are considered
dangerous to life until tested de-energized and properly grounded. - Answer
De-energized Dangerous to Life
Locomotives and MU cars operated by power received by catenary or third rail. -
Answer Electric equipment
The rate at which electric energy is transferred by electric circuit - Answer Electric
power
The portion of the RR equipped for electric train operation - Answer electrified territory
A condition that may endanger life, property, or the equipment essential to the
movement of trains. - Answer Emergency conditions
Electrical circuit/apparatus connected to a source of potential - Answer Energized Live
(Dangerous to Life)
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