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How to reduce residual voltage in multiple core control cable ? Is any one have good idea easy to implement ?

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Question added by Muahmmad Arif , Operation & Maintenance / Planning Engineer , Bestway Cement
Date Posted: 2015/07/22
Deleted user
by Deleted user

Usually control cables are shielded, and the shield connect with protection ground bar (zero potential) for control cirquits in two points: at the beginning and at the end of cable. But also problem may be in length (too long control cable, and laying near with power cables, laying in big coil. 

Md Abdul Halim
by Md Abdul Halim , Head of Operation and Maintenance , Banaladesh Rural Electrification Board

first switch off all power connection and wait few minutes

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