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+/
-
190Vdc Line Power Circuit Cable Pair
Verification Procedure
Purpose:
The following details the procedure for the verification of existing installed cable pair service for +/
-
190V Line
Power circuits.
Each cable pair will be verified.
Cable pairs passing will be recorded for future reference with inactive pairs being marked for out of service.
Test Equipment:
The required test equipment will include the following:
•
Multi
-
meter
•
/
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190V Line Power System
Test Procedure:
Perform the following steps for each cable pair.
Record the results in the table provided at the end of this document.
Testing will be performed in two manners.
These include testing for the presence of AC voltage on the open ended conductor pairs and testing for presence
of dc voltage on cable pairs.
Test Parameters:
•
Insure the outboard side of the cable pairs have not been terminated
•
Insure that NO surge protection devices are in place during the verification testing.
•
Insure NO cable pair bridge taps have been inserted.
