4.
You have narrowed the cause of trouble to an open. There is no continuity between the protector
and the ready access terminal. It has become obvious to you the trouble is in the drop wire. What is the
procedure for checking the drop wire?
a. Remove it and start over.
b. Use visual inspection.
c. Use a multimeter to check continuity.
d. Use another telephone to check along the line.
5.
Shorts in wire are caused by two or more wires touching. What is a primary reason two wires
would touch each other?
a. Insulation worn out.
b. Water between the terminals.
c. Ends of the wire are too long and not dressed.
d. Dirt.
6.
The carbon blocks used in a telephone substation have a gap in the position they are installed.
What is the distance of this gap?
a. .3-inch.
b. .03-inch.
c. .003-inch.
d. .0003-inch.
7.
The term ring ground refers to an undesired electrical connection between the ring side of a
working line and ground. What is the first step the troubleshooter should perform?
a. Check the immediate area for grounds.
b. Check the area for moisture.
c. Determine the location in the circuit in which the fault lies.
d. Drop or remove all wires from their original connections.
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