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The Tony Davies High Voltage Laboratory

Cable And Accessories

cable testing

We are very experienced in the testing of parent cable, joints and terminations and have developed facilities specifically for the more frequently required tests (e.g cable joint thermal cycling under a 1m head of water).  In recent years we have tested a range of different designs of cable including extruded polymeric, PILC, mass impregnated and fluid filled.  Distribution cables, submarine fibre optic cables and neutrally bouyant cable systems have been assessed.

As well as testing new sytems we also have been involved in forensic investigation of cables and accessories that have failed in service - for more details please see forensics.

 

Recently used standards

Number Name
BS 7888-4.1 HD 629.1 S2 Test requirements on accessories for use on power cables of rated voltage from 3,6/6(7,2) kV up to 20,8/36(42) kV - Part 1: Cables with extruded insulation
BS 7888-4.2 HD 629.2 S2 Test requirements on accessories for use on power cables of rated voltage from 3,6/6(7,2) kV up to 20,8/36(42) kV - Part 2: Cables with impregnated paper insulation
BS EN 61442 Test methods for accessories for power cables with rated voltages from 6 kV (Um = 7,2 kV) up to 36 kV (Um = 42 kV)
BS 7933-1 HD 631.1 S2 Electric cables - Accessories - Material characterisation - Part 1: Fingerprinting and type tests for resinous compounds
BS EN 60230 Impulse tests on cables and their accessories
BS EN 50395 Electrical test methods for low voltage energy cables
BS 7769-2.2 IEC 287-2-2 Electric cables — Calculation of the current rating — Part 2: Thermal resistance — Section 2.2 A method for calculating reduction factors for groups of cables in free air, protected from solar radiation.

If you are considering testing of a cable or accessory, please contact us and include the following information in your communication:

 

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