Sealing Substation Cables - 33kV Single Core Trefoil & Multiple LV Power Using Filoform FiloSeal

By Chris Dodds on 14th February, 2017

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Sealing Substation Cables - 33kV Single Core Trefoil & Multiple LV Power Using Filoform FiloSeal+HD Cable Duct Seals

Project: Cable Duct Sealing

Application: Prevent water ingress and gas migration into a 33kV substation through LV-HV cable ducts using Filoform FiloSeal+HD Reenterable LV HV Power Cable Duct Seal System - the sequence of images show the installation of the cable duct seal system into ducts providing underground cable protection to 33kV single core cables (trefoil formation) and multiple LV armoured power cables.

The cables are carefully seperated using the Filoform FiloSeal+HD hexagonal tubes which are being separated and supported by the hexagonal tubes - note the central positioning of the hexagonal tubes to establish the required cable separation and allow maximum flow of the duct sealant into the trefoil cable formation.

The 33kV substation is located on a private network and not owned by ENW.

Installed By: ENW Electricity North West   ENW

Electricity North West is a UK electricity distribution network operator (DNO), responsible for the administration and maintenance of the network that distributes electricity via underground cables and overhead lines throughout the North West of England. 

Electricity services provided by ENW include substation civil work, cable laying, cable jointing and switchgear erection, testing and commissioning – installation of new and refurbished transformers (oil cooled or air cooled).

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  • Further reading 

Filoform FiloSeal+HD Reenterable LV HV Power Cable Duct Seal System 

Thorne & Derrick Specialist Electrical Distributor

Established since 1985, T&D distribute the most extensive range of LV, MV & HV Cable Jointing, Terminating, Pulling & Installation Equipment - contact us today for a competitive quotation.

Key Products : MV Joints & Terminations, Cable Cleats, Duct Seals, Cable Transits, Underground Cable Protection, Jointing Tools, Feeder Pillars, Cable Duct, Earthing & Lightning Protection, Electrical Safety, Cable Glands, Arc Flash Protection & Fusegear.

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Discussion subjects include cable installations, cable jointing, electrical substation, overhead line and electrical construction at LV, 11kV, 33kV and EHV.

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Filoform FiloSeal+HD Reenterable LV HV Power Cable Duct Seal System - Spec Sheet



Category:  Cable Transits & Duct Sealing

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