This standard specifies the type, specification, technical requirements, test, inspection rules, packaging, storage and transportation of compression type terminal lugs and ferrules for power cables with copper or aluminium conductors of 35kV and below, and recommends the die-set and compression connection process key points.
This standard is applicable to compression type terminal lugs and ferrules for power cables with copper or aluminium conductors of 35kV and below. The cross-sections of copper and aluminum conductors are respectively 16~400mm2 and 10~400mm2, and can also be referenced by other power cables for fixed laying.
2 Normative references
GB 1184 Geometrical Tolerancing - Geometrical tolerances for features without individual tolerance indications
GB 1527 Drawing copper tube
GB 1800 Tolerance and fitting, generalities, standard tolerances and basic deviations
GB 1958 Rules for inspection of form and position tolerances
GB 3190 Wrought aluminium and aluminium alloy - Chemical composition
GB 3191 Aluminium and aluminium alloys extruded bars, rods
GB 3956 Connector for cables and wires for electrical appliances and equipment copper and aluminum
GB 3957 Conductor for power cables copper and aluminum
GB 4423 Copper bars
GB 5231 Wrought coppers - Chemical composition and forms of wrought products
GB 5277 Fasteners - Clearance holes for bolts and screws
GB 9327 Test methods for compression and mechanical connectors for conductors of power cables
3 Terms
3.1
compression type terminal lugs
conductive fitting that connects the cable end conductor to the electrical device by compression connection, in which usually one end connected to the end conductor of the cable is tubular, and the other end connected to the electrical device is a plate of a specific shape
3.2
compression type ferrules
a tubular conductive fitting for connecting two or more cable conductors in the middle of the line by compression
