Term used to describe the restriction on the movement of AC electric trains or engines
in a specified area. - Answer -AC hold
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller UPPERFRONT. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.