AND ANSWERS 2026
◉ 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.. 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 work
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"
◉ The part of the pantograph made up of a set of carbon strips and
horns connected to main frame of the pantograph assembly by means
of an apex.. Answer: Collector Head Assembly
◉ The wire in the catenary from which the pantograph connects
current.. Answer: Contact Wires
◉ The flow of electicity through a conductor. Answer: Current
◉ A term used to describe restriction on 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