BER Consultancy Services Ltd

Published 09 Dec 2022

MV Jointers

BER Consultancy Services Ltd are a leading provider of Electrical Cable Jointing, Repair & Substation Maintenance Services to the UK utility industry – the Scotland based contractors provides DNO Authorised teams of Jointers, including SPEN for the competent installation of Approved Equipment & MV Cable Accessories up to 33kV including 3M ColdShrink, Nexans Euromold, Pfisterer CONNEX and Tyco Electronics (TE Energy).

The following photographs, republished with the kind permission of Darren Ross (Director | BERC Ltd), demonstrate the workmanship ability and skill-set of their labour force.

To discuss your requirements or to learn more about the provision of LV-HV Cable Installation, Civil Engineering & Groundworks Services from BERC Ltd you can contact Darren on 07501025337.

The Jointers used Alroc PG pliers to remove the outer sheath from the medium voltage power cables – a specialist cable jointing tool manufactured by Boddingtons was used to remove the semicon prior to the connection and termination of the 33kV cables (630sqmm) into Siemens switchgear using Pfisterer CONNEX type separable connectors and Sicame terminations onto the outdoor substation busbars. Finally, a circuit of medium voltage 33kV cables (240sqmm) were terminated onto the busbars and connected using MV CONNEX Connectors onto the Auxiliary Transformer and the Neutral Earthing Resistor (NERs) manufactured by Cressall Resistors.


MV Cable Jointers

MV Cable Jointers with SPEN Authorisation up to 33kV

SPEN have 30,000 substations (1 for every 100 customers), 40,000km overhead lines and 65,000km underground cables – operating in 3 of the UK’s largest cities (Liverpool, Glasgow & Edinburgh) accounting for 1.6m (43%) of their customers, delivering LV-HV power to significant rural areas (North Wales, Scottish Borders and Dumfries & Galloway).



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