115KV Cable Splicing Training and Certification
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Program Professional Framework
115KV Cable Splicing Training and Certification
Program Overview
Joints and terminations are among the most failure-prone points in high-voltage underground cable systems, and many failures trace back to workmanship. This hands-on course covers the construction of 115 kV XLPE cables, cable end preparation, semiconductive screen removal, stress control principles, installation of premoulded and cold-shrink joints, outdoor and GIS terminations, metallic sheath bonding and cross-bonding, and after-installation testing in line with the IEC 60840 test philosophy. Safety, cleanliness and documentation are emphasised throughout, reflecting the requirements of transmission utilities and oil and gas power networks in the GCC.
Learning Outcomes
- ✓Identify the layers of a 115 kV XLPE cable and explain the function of each in electric stress control.
- ✓Prepare cable ends to manufacturer dimensions, including screen removal and insulation finishing without damage.
- ✓Install a premoulded or cold-shrink straight joint following the manufacturer's procedure and quality checkpoints.
- ✓Assemble outdoor and GIS terminations with correct stress cone positioning and sealing.
- ✓Connect sheath bonding and cross-bonding links and explain their effect on sheath voltages and losses.
- ✓Interpret after-installation test results, including sheath integrity and AC withstand tests.
Target Audience
- Cable jointers and splicers working on HV networks
- Electrical technicians and supervisors in transmission utilities
- Electrical engineers overseeing cable installation contracts
- Commissioning and quality inspectors for HV cable projects
Detailed Program Modules
01HV Cable System Fundamentals
- 115 kV XLPE cable construction and materials
- Electric field distribution and stress control
- Typical joint and termination failure modes
02Safety and Work Preparation
- Isolation, earthing and permit-to-work requirements
- Jointing bay preparation and environmental control
- Tools, materials and kit verification
03Cable End Preparation
- Removing jacket, metallic sheath and semiconductive screen
- Insulation shaving, smoothing and cleanliness
- Dimensional checks and conductor connection methods
04Joint Installation
- Premoulded, cold-shrink and heat-shrink joint technologies
- Conductor ferrules and compression procedures
- Screen reinstatement and outer protection
05Terminations and Sheath Bonding
- Outdoor and GIS cable terminations
- Single-point, solid and cross-bonding systems
- Link boxes and sheath voltage limiters
06Testing, Quality and Documentation
- Sheath integrity and AC withstand tests after installation
- Partial discharge measurement principles
- Jointing records, traceability and handover
Training Methodology
Applied Project & Assessment
Applied Project
Each participant completes a supervised practice joint or termination on a cable sample, recording every preparation step, dimensional check and quality checkpoint in a jointing record, and prepares a test and handover checklist for a 115 kV circuit.
Assessment
Short diagnostic at the start, practical tasks linked to each learning outcome, and evaluation of the applied project against published criteria.