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Delivering training services for the Built Environment and Utility sectors since 2004, we operate from our purpose-built training facilities and regional offices located in Southeast London, the East Midlands and West Yorkshire, with the use of over 100 training centres nationwide.

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Low Voltage Jointing - Plastic Only (IDNO) Private Networks


Independent Distribution Network Operators (IDNOs) are companies that Ofgem licenses to own and operate electricity networks. An IDNO network connects to the local power network to supply and transmit electricity in a smaller local area, distributing from a larger-scale Distribution Networker Operator (DNO). Low voltage Jointing works supplied by an IDNO or private network such as this can include client electrical works for anything from residential plots to outdoor decorative lighting.

Course Outline

Through a mix of practical and theory-based exercises and tutorials, this Citrus Low Voltage Jointing (IDNO) qualification gives delegates the understanding, skill, knowledge, and competence to carry out Jointing work on low-voltage networks and private networks with new plastic cables.

The course reflects national standards and industry best practices and is fully accredited in line with regulations. In addition, choose to learn with Citrus, and delegates will benefit from our custom-built training facilities and customer-first approach.

Our occupationally and technically-experienced trainers coach delegates on this course in the Jointing School, completing the session with a practical observation and short answer question paper. They must pass the assessment to qualify for their Citrus certificate of attendance, valid for three years.

Once delegates have the certificate of attendance, this then allows them to work under personal supervision unitl they complete their trade test or authorisation assessment.

Course Programme

Delegates taking this Low Voltage Jointing Plastic Only qualification will cover knowledge, skills and operating practice.

Course content includes:

  • Jointing practices and procedures for low-voltage works
  • Health and Safety practices and regulations for electrical
  • Control of Substances Hazardous to Health (COSHH)
  • Selecting appropriate PPE
  • Using lamps in low voltage work
  • Insulation and continuity testing
  • Earth Loop Impedance
  • Polarity testing
  • Three phase testing phase rotators
  • Carrying out appropriate risk assessments
  • Assessment
On Completion

Upon successfully completing this qualification, delegates will be able to complete low-voltage joints and terminations under personal supervision.  After building up a portfolio of evidence and passing a final trade test or authorization assessment, delegates will have the supervision removed.

Who Should Attend?

This Citrus Low Voltage Jointing IDNO Plastic Only qualification is for apprentices, mates and operators with electrical experience in underground network fitting or overhead line who need to qualify in low voltage to do their job.

Course Duration

Delegates take this comprehensive training over five days, completing with a final assessment.

Why Citrus?

We dedicate our efforts to unrivalled quality and the customer experience at Citrus Training. As a result, we are the leading UK-based provider of health, safety and technical training and assessment services to the Built Environment and Utility sectors. 

Citrus Training serves 85 of the top 100 building services companies in the market. With over 20 years of collective experience, we offer advice and guidance for new and experienced entrants looking to work within the IDNO/DNO industry. 

Our Electrical training is accredited, regulated, and of an exceptionally high standard. Delivered by our Electrical Safety trainers and DNO Trained Assessors, they also carry out competency pre-assessment and testing to work on IDNOs and DNOs. 

Finally, we teach and promote current industry and legislative requirements to ensure delegates take them forward into their daily working lives, delivering courses at our nationwide, industry-leading and accredited training centres to offer the very best of training standards and quality assurance. 

Things You Need to Know

To take this course, delegates must have general First Aid and Manual Handling certification. 

Delegates must be 18 or over and bring appropriate PPE to the training, including:

  • Flame retardant overalls  
  • Safety footwear  
  • General purpose gloves and live working gloves (LV)    
  • Protective eyewear safety glasses  
  • Full face visor  
  • Hard hat  
  • Hi-vis clothing 

Before starting the course, they must inform their trainer of any special considerations, medication or physical restrictions that may cause difficulties in any part of the training.

Popular FAQ's

Yes, under personal supervision prior to a trade test.

After passing a trade test or authorization assessment.

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Over 100+ training centres nationwide, with 150+ technical trainers, delivering upwards of 250+ courses to over 40,000+ delegates each year. Thats why we're the UK's trusted training provider.

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