ANSWERS GRADED A+
✔✔contact wire - ✔✔the wire in the catenary from which the pantograph collects current
✔✔contractor - ✔✔a non amtrak employee that works for amtrak
✔✔dead section - ✔✔a de-energized section of the catenary
✔✔de-energized - ✔✔dangerous to life -- electrical circuits disconnected from power
sources
✔✔do not operate tag NEC 105 - ✔✔safety tag defining operating restrictions to an
electrical apparatus
✔✔electric equipment - ✔✔locomotive and multiple unit cars operated by power
received form the catenary or third rail
✔✔electric traction trainee - ✔✔electric traction employees working towards craft
specific qualifications
✔✔messenger wire - ✔✔standard wire attached to supporting structures from which the
contact and/or auxillary wires are suspended
✔✔minimum approach distance - ✔✔closest distance a tree worker can come to an
electrical conductor.
✔✔pantograph - ✔✔a device located on top of the electric equiptment which collects
electric power from the contact wire by means of a collector head assembly
✔✔phase break - ✔✔a location where wires are arranged to provide an isolated section
between different sources of power
✔✔plate order - ✔✔a document acknowledges that a section of the caternary or third
rail may be de-energized
✔✔power director - ✔✔an employee who is in charge of the electrification system within
their assigned territory
✔✔Catenary System - ✔✔Messenger wire
Auxillary wire
Contact wire