Cable Jointing

Cable Jointing
1 day 510

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Cable Jointing Assessment (NET Assessment of Occupational Competence in LV Cable Jointing)

Course Content

The Cable Jointing Assessment is designed for individuals who wish to practice as an L.V. Cable Jointer. It demonstrates that they have the level of competence expected by the industry in the following key occupational areas:

• Risk Assessment, including COSHH requirements

• Safe Isolation and Permit to Work

• Completion of a gland and termination into a TP&N Switch Enclosure with a 90-degree bend

• Completion of a 4 Core Through Joint

• Testing of the installation for Insulation Resistance and Continuity

• Completion of Documentation to include BS 7671 Schedule of Test Results Completion of Hand Over Documentation

• Assessment of Underpinning Knowledge 

• The understanding and application of industry recognised procedures, working practices and the requirements of statutory and non-statutory regulations

From 1st July 2020, completion of the NET Assessment of Occupational Competence in LV Cable Jointing is a requirement for initial applications for the JIB grades of Jointer and Approved Jointer.  

Operatives who have already achieved the JIB grade of Jointer or Approved Jointer are encouraged to enrol onto the NET Assessment of Occupational Competence in LV Cable Jointing as this is an industry recognised assessment of existing competencies and will help to identify these skills to employers and clients alike.


Completion of the Readiness for Assessment: Candidate Self-Assessment Checklist is a compulsory part of the Cable Jointing Assessment of Occupational Competence preparation.

Hand tools are supplied, however candidates may bring their own for use during the assessment if preferred.


The Assessment has six sections:

Section A1 - Safe Isolation and Risk Assessment (45 minutes)

Section A2 - Completion of a Termination into a TP&N Switch Enclosure (1 hour 15 minutes)

Section A3 - Confirm Isolation (15 minutes)

Section A4 - Completion of a through Joint (1 hour 30 minutes)

Section B - Inspection and Testing of the Installation (1 hour)

Section C - Assessment of Underpinning Knowledge (1 hour ‘open book’ multiple choice test. Candidates will have access to IET ‘On Site Guide’)

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