Can CMP Confirm The Technical Reasons For Specification Of CIEL Type High Voltage Cable Glands?

By Chris Dodds on 3rd February, 2014

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"A CIEL cable gland should be used where there is a need to use an external earth connection, i.e. an “earth tag” and the short circuit fault current rating requirements of the armour wire in the single wire armoured cable exceed the short circuit fault current rating of a standard earth tag."

Answered by Jade Appleby, CMP Marketing.

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CMP high voltage brass and aluminium cable glands with cast integral earth lug (CIEL) are specified for external earth connections and maintaining earthing under high fault current conditions. CMP HV cable glands terminate high voltage steel wire armoured (SWA) cables on 3.3kV, 6.6kV, 11kV and 33kV networks providing an environmental seal on the cable outer sheath, mechanical retention and electrical continuity via armour wire termination.

CMP CIEL Cast Integral Earth Lug Cable Glands
High voltage power cables (3.3kV, 6.6kV, 11kV, 33kV) can generate high fault current ratings via steel or aluminium wire armours where the actual fault current may exceed that of the standard CMP earth tag - it is vital for electrical safety to match the rated fault current of the cable gland earth tag to that of the cable armour. CMP unique Cast Integral Earth Lug (CIEL) cable gland designs overcome potential overheating and possible flash over problems - BW CIEL, CW CIEL, E1W CIEL, E1FW CIEL, E2W CIEL and E2FW CIEL ranges.

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Category:  HV Cable Jointing & Terminating

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