BS DD200(1991) : 1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SPECIFICATION FOR PLIABLE NON-RIGID CONDUIT AND FITTINGS FOR DIRECT BURIAL UNDERGROUND (TYPE DB)
Hardcopy , PDF
15-10-1994
English
01-01-1991
Describes type tests and requirements for pliable non-rigid conduit systems of non-metallic or composite materials for the protection of cables in electrical or communications systems. Applies to conduits which are designed for direct burial underground without encasement in concrete and are designated type DB. Covers definitions, dimensions, construction, materials and marking.
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