Energy & Utilities

HV Cable Accessories

High-voltage cable accessories from 1 kV up to 245 kV — TE Raychem heat-shrink and cold-shrink terminations, joints and trimming sets engineered for utility, transmission, substation and renewables programmes.

1–245 kVVoltage Range
TE RaychemPrimary Manufacturer
Type-TestedTo IEC / Cenelec
Same-DayDespatch Available
HV Cable Accessories

High-Voltage Cable Accessories

ISG supplies a complete portfolio of high-voltage cable accessories — terminations, joints, sealing ends and trimming sets — covering the full distribution and transmission voltage range from 1 kV up to 245 kV. Our offer is centred on the TE Connectivity Raychem range of heat-shrink and cold-shrink technologies, with full type-test compliance to IEC 60502, IEC 60840 and the relevant Cenelec standards.

Available exclusively through our German subsidiary Sommer GmbH, these high-quality, high-performance accessories support utility network operators, substation contractors, renewables developers, rail electrification projects and industrial HV installations across mainland Europe and the UK. Sets are supplied with all components required for a complete jointing operation — stress relief, screen reconstruction, insulation, anti-tracking sheds and earthing — backed by site-applicator training and technical support.

  • Voltage range 1 kV up to 245 kV (medium & high voltage)
  • Heat-shrink and cold-shrink termination technologies
  • Indoor, outdoor and pole-top terminations
  • Straight joints, transition joints and branch joints
  • Single-core and three-core XLPE, EPR and paper-insulated cable types
  • Type-tested to IEC 60502, IEC 60840 and Cenelec HD 629
  • Complete kits including stress control, screening and earthing
  • Site applicator training and engineering support available

What We Supply

Terminations

Indoor and outdoor heat-shrink and cold-shrink terminations for single-core and three-core polymeric and paper-insulated cables, 1 kV to 245 kV.

Straight & Transition Joints

Heat-shrink straight joints, transition joints between polymeric and paper cables, and three-core to single-core branch joint systems.

Trimming & Sealing Sets

Cable sealing ends, anti-tracking sheds, stress control tubing, screen breaks and earth bonding components for complete installation kits.

Tools & Accessories

Gas torches, cable preparation tooling, mechanical lugs and connectors, lubricants and cleaning materials for professional HV jointing.

Key Capabilities

Voltage Range
1 kV to 245 kV
Termination Type
Heat-Shrink & Cold-Shrink
Cable Insulation
XLPE, EPR, PILC, Polymeric
Type-Test Standards
IEC 60502 / 60840 / HD 629

Industries Served

Available From Our Companies

Enquire About HV Cable Accessories

Speak with our specialists at Sommer GmbH for technical guidance, kit selection and project pricing on TE Raychem terminations, joints and trimming sets up to 245 kV.

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