Protective Earth


If it is necessary for the gland to form part of the circuit protective conductor, a gland which provides a protective connection to earth should be selected, in accordance with the following recommendations in IEC/BS/EN 62444

Category A glands should be selected for use in installations where the cable has light armour or

braid, which might be the limiting factor for the magnitude and duration, of the earth fault current. Where glands of category A are used, an adequate earth connection can be achieved by fixing the gland into a suitably earthed metal enclosure.

Category B glands should be selected of use in installations where the magnitude and duration of the earth fault current could exceed the maximum values at which a category A gland is tested.

For category, B either a gland with an integral earth connection, or a suitable accessory (e.g. an earth tag) should be used.

Category C glands should be selected for use in installations where the magnitude and duration of

the earth fault current could exceed the maximum values at which a category B gland is tested. For category C a gland with an integral earth connection should be used

CCG has a full range of glands independently tested to perform to categories A, B and C.


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