Tag Archives: DC

NSCD Supplementary Material

Negative Short Circuiting Devices (NSCDs) provide protection to the isolation and prevent inadvertent re-energisation. NSCDs negate the need for applying short circuiting straps on the DC third rail electrified infrastructure.  The documentation provided is available to support the roll out of NSCDs and their operation and is for those who hold the NSCD Operator competency […]


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