Description
Precision Cable Jointing Preparation System for MV Cable Applications (33kV)
The Cable Preparation Tools, commonly known as REMA Tools, are a professional-grade system of precision instruments engineered for medium voltage cable jointing and termination applications. Designed in alignment with utility and industrial standards, these tools deliver consistent, repeatable, and high-integrity cable preparation across a wide range of installation environments.
Developed for professional cable jointers, the system enables controlled removal of each cable layer, ensuring optimal preparation before jointing or termination. The result is a higher level of installation accuracy, improved safety, and enhanced long-term network reliability compared to conventional manual methods.
These tools are widely adopted in utility-driven ecosystems and are suitable for use in line with requirements from major energy utilities in Malaysia, such as TNB, SEB, and SESB.
Engineered for Layer-by-Layer Precision
The 33kV Cable Preparation Toolset is designed to support the controlled removal of all key cable layers with precision engineering and repeatability:
- Primary outer sheath removal
- Semi-conductive layer preparation
- Primary insulation stripping
- Cable end profiling (Pencilling)
Each operation is executed with fine mechanical control, ensuring that every layer is removed without compromising the integrity of the underlying structure. This systematic approach significantly reduces installation variability and improves the overall quality of cable jointing workmanship.
Composition:
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The 33kV Cable Preparation Toolset consists of six (6) core instruments:
1) Heavy-Duty Sheath Stripping Tool (Up to 630mm² cable)
A robust, high-precision stripping tool engineered for demanding medium voltage cable sheath removal applications, including PE, PVC, Lead (Pb), and DBC outer sheath constructions. Designed for larger cross-section power cables up to 630 mm², this tool delivers controlled and consistent sheath removal performance even in heavy-duty field conditions.
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Key Features:
- Suitable for PE / PVC / Lead / DBC cable outer sheath
- Cutting depth range: 0.2 – 6 mm
- Composite material body with stainless steel mechanical lever system
- Adjustable blade and roller block configuration for circular cutting and longitudinal cutting
- Enables long-distance straight cuts with minimal operator effort
- Interchangeable blade system tailored to material type and insulation thickness
- Quick blade replacement design (tool-free maintenance)
This tool is engineered for high mechanical stability, reduced operator fatigue, and precise sheath separation in large-scale MV cable installation works.
2) Sheath Stripping Tool
A robust tool designed for the controlled removal of all types of outer cable sheaths.
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Key Features:
- Suitable for cables > Ø25 mm
- Supports longitudinal and circumferential cutting
- Maximum cutting depth: 5 mm
- Insulating-grade body and lever construction for enhanced operator safety
- Clean, controlled sheath separation without damage to underlying layers
This tool ensures reliable sheath removal across a wide range of cable constructions used in MV distribution networks.
3) Semi-Conductive Layer Stripping Tool
A high-precision instrument engineered for the controlled removal of both peelable and bonded semi-conductive layers.
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Key Features:
- Compatible with all standard semiconductor materials
- Cable range: Ø17 mm to Ø60 mm (25–630 mm²)
- Maximum cutting depth:
- 1.2 mm (peelable layers)
- 2.0 mm (bonded layers)
- Micrometric adjustment accuracy up to 0.1 mm
- Integrated chamfering capability for optimised stress control geometry
- Treated aluminium body with high-speed steel cutting blades
- Ensures complete protection of the primary insulation layer
This tool is engineered to deliver controlled semiconductor termination geometry, critical for MV cable performance and partial discharge control.
4) Primary Insulation Stripping Tool
A precision tool designed for safe and controlled removal of all primary insulation materials, including XLPE, EPR, PVC, and PE.
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Key Features:
- Cable range: Ø17 mm to Ø60 mm (25–630 mm²)
- Maximum cutting depth: 12 mm
- Maintains conductor strand integrity during stripping
- Suitable for insulation and outer protective layer removal
- High-strength treated aluminium construction
- Supplied with 3 sets of interchangeable clamp protectors
The tool ensures consistent insulation removal while maintaining the mechanical and electrical integrity of the conductor system.
5) Pencilling Tool
A dedicated shaping tool for the controlled profiling of XLPE insulation at cable terminations.
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Key Features:
- Designed for 3-core 11kV XLPE aluminium cable systems
- Compatible with 150 mm² and 240 mm² conductors
- Precision aluminium alloy body construction
- Ensures accurate insulation taper geometry for termination stress control
- Eliminates the risk of conductor damage during profiling
This tool plays a critical role in achieving optimised field grading and termination performance in MV cable systems.
6) External Sheath Spreading Tool
A specialised preparation tool designed for medium voltage cable earthing interface preparation, enabling controlled spreading of the external sheath to facilitate the installation of earthing connectors. In addition, this tool is specifically designed to assist cable jointers in removing the external sheath with ease and control, significantly reducing the risk of improper practices such as the use of unsuitable hand tools (e.g. screwdrivers or knives). By providing a purpose-built and guided solution, it enhances both workmanship quality and site safety compliance during cable preparation works.
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Key Features:
- Designed for MV cables from 25 mm² to 630 mm²
- Cable diameter range: Ø17 mm to Ø60 mm
- Purpose-built for external sheath spreading before earthing connector installation
- Body constructed from treated zinc-coated steel for durability and corrosion resistance
- Ergonomic PVC-coated handle for improved grip and operator comfort
- Guided operation system using dual conical support rollers
- Ensures controlled and uniform sheath opening without cable damage
This tool is essential for safe earthing preparation procedures, ensuring correct interface formation for grounding accessories in medium voltage cable systems.
Spare Parts & Serviceability
To ensure long-term operational continuity, each toolset is supplied with:
- Complete spare blade kits for all tool types
- Field-replaceable wear components
- Maintenance-ready modular design
This ensures sustained performance, reduced downtime, and extended service life in demanding field conditions.
System Advantages
The 33kV Cable Preparation Tools deliver a professional-grade solution for modern cable installation requirements:
Designed for MV cable jointing and termination (33kV)
Consistent, repeatable, and controlled stripping accuracy
Reduced risk of cable damage and installation errors
Enhanced safety through engineered cutting control
Trusted by utility-aligned installation standards (TNB, SEB, SESB environments)
Suitable for professional transmission and distribution networks.
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More detail about Tekno Bumi Sdn Bhd
Malaysia
