Heatshrink Wrap Sleeves, Moisture Barrier Kits & End Caps

Thorne & Derrick – Approved Specialist Distributors To The Rail Industry | LV MV HV

Heat Shrink Wrap Repair Sleeve
The below table features all heatshrink wraparound cable sheath repair suitable for power, signalling and telecom cables including SPS part numbers, PADS Network Rail approvals, recommended working range and cable repair products.
Other Heat Shrink Cable Joints For Rail Cable Connections
- Track Circuit Cable Joint Kits
- Duplicated Track Circuit Cable Joint Kits
- Data Link Cable Joint Kits
- Power Cable Joint Kits
Cable accessories with Network Rail approvals manufactured by 3M Electrical and using cold shrink are also available to joint, terminate, insulate and repair damaged cables.
Cable Repair Kits
Heat shrink wrap sleeves are placed around the damaged cable section and connected using the rail channel system to effect a reliable cable repair – suitable for the sheath of damaged cable jackets on LV Low Voltage, MV Medium Voltage and HV High Voltage cables.
SPS PART NUMBER | P.A.D.S CAT. NO | RECOMMEND WORKING RANGE | CABLE REPAIR STYLE |
SWRS 50-15-1000 Heat Shrink | 54/18640 | 13mm to 40mm | ALL TYPES OF POWER, SIGNALLING AND TELECOM CABLES![]() |
SWRS 75-22-1000 Heat Shrink | 54/18606 | 20mm to 60mm | |
SWRS 105-30-1000 Heat Shrink | 54/18608 | 28mm to 90mm | |
SWRS 146-38-1000 Heat Shrink | 54/18609 | 35mm to 130mm | |
SWRS 188-55-1000 Heat Shrink | 54/18607 | 50mm to 175mm |
The below table features all moulded barrier kits including SPS part numbers, PADS Network Rail approvals, joint description to suit cable diameter and cable joint style.
SPS PART NUMBER | P.A.D.S CAT. NO | CABLE JOINT DESCRIPTION | CABLE JOINT STYLE |
SPS 077 | 54/13658 | CABLE GLAND SUPPORT AND SEALING COLLAR (10 PER KIT) |
ALL TYPES OF POWER AND SIGNALLING CABLE ![]() |
SPS 980 | 54/37094 | TPWS CABLE (24 PER KIT) | |
SPS 720 | 54/37070 | 6mm to 14mm (24 PER KIT) | |
SPS 096 | 54/37052 | 13mm to 24mm (24 PER KIT) | |
SPS 097 | 54/37053 | 20mm to 37mm (24 PER KIT) | |
SPS 098 | 54/37054 | 27mm to 48mm (24 PER KIT) |
The below table features all heat shrink end sealing caps including SPS part numbers, PADS Network Rail approvals, recommended working range and cable joint style.
SPS PART NUMBER | P.A.D.S CAT. NO | CABLE CAP DESCRIPTION | CABLE JOINT STYLE |
C12-4 Cable Cap | 54/10716 | 4mm to 10mm | CABLE SEALING CAP![]() |
C20-8 Cable Cap | 54/12054 | 9mm to 18mm | |
C40-15 Cable Cap | 54/12051 | 15mm to 35mm | |
C63-25 Cable Cap | 54/12052 | 25mm to 60mm | |
C76-30 Cable Cap | 54/12053 | 30mm to 72mm |
Rail Cable Accessories, Electrification & Installation Equipment
Thorne & Derrick stock and distribute an extensive range of 400V-33kV Rail Cable Accessories & Power Distribution Sytems including feeder pillars to contractors undertaking Low Voltage Power Distribution, HV Electrification & Substations, DC Traction & Networks, OLE and Track Feeder Cable Renewals – complete range of Network Rail PADS approved track terminations, cable joints, cable repair and connection products up to 25kV, including 3M Cold Shrink, Pfisterer CONNEX and Nexans Euromold products.
Full range of Cable Pulling Equipment & Products to ensure safe and efficient of rail cables in to cable ducts and containment infrastructure including cable troughs.

Cable Cleats | Cable Hangers | Cable Joints | Cable Glands | Cable Lugs | Cable Transits | Arc Flash Clothing