Quantcast Figure 6-45.--XY universal switch test set controls.
 

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6-11 lists the control and function of the current
table 6-10 corresponds to the XY test set in
flow test set.
LIGHTNING ARRESTER AND SHORE-
CURRENT  FLOW  TEST  SET.--  The
current flow test set (fig. 6-46) is a portable, relay-
LINE CONNECTIONS BOXES.-- Shore lines are
adjusting test set. It is connected by its power cable to
provided to a connection box on the pier for use by
an external dc power source. The resistance circuits
ships, As an IC Electrician, you will be required to rig
of the test set are connected to binding posts. The
shore lines for your ship. The number of shore lines
relay to be adjusted is connected to the binding posts
assigned will depend on the size of your ship; the
by two test leads.
bigger the ship, the more lines. Some of the shore
lines will be connected to the attendant's cabinet for
The purpose of the test set is to enable a
general use and others will be connected directly to
maintenance person to readjust the relays in a
telephone sets that are not part of the switchboard
telephone system. Four independent, continuously
system. The direct shore lines are used by the
variable resistance circuits are provided in the test
commanding officer, the executive officer, department
set. This allows the maintenance person to set up for
heads, and other designated personnel.
operate, nonoperate, release, and hold or scale
current requirements of a relay under adjustment. A
The ship's IC Electricians are responsible for
three-range milliammeter allows the maintenance
maintaining a shore-line cable. When rigging shore
person to adjust to the correct current level. Table
lines, one end of the cable will be connected to the
Figure 6-45.--XY universal switch test set controls.

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