89th Edition, August 31, 1989
Specification for Fully screened 400 A bolted flameproof cable couplers and adaptors for use on systems up to and including 6.6 kV, primarily for use in mines
Includes all amendments and changes through Reaffirmation Notice , June 1, 2016
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Description / Abstract:
3-phase couplers and adaptors to enable two cables to be coupled or a cable to be coupled to apparatus. Dimensional and test requirements given for conversion units for these couplers to be connected with those of BS 3454 and BS 3905.