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Electrical Services Explained - 3 Days

Upcoming Courses
Key Areas  
Course Content
Learning Outcomes
Course Timings
Course Fees
In-House Training 

A full overview and agenda, need to know information, and booking instructions can be found on the individual upcoming course pages. Click on a course below to view.

Upcoming Courses  

10 - 12 February London Find out more
18 - 20 March Manchester Find out more
13 - 15 May London Find out more
23 - 25 June    Manchester Find out more
7 - 9 July    London Find out more
14 - 16 October London Find out more
18 - 20 November Manchester Find out more
15 - 17 December London Find out more


Key Areas

  • Legislation & guidance
  • Basic electrical principles
  • HV & LV Electricity generation,
  • High voltage distribution and switchgear,
  • Transformers and substation design
  • Low voltage distribution and switchgear
  • Alternative and standby power supplies (generators and UPS)
  • Dangers of electricity and physiological effects of electric shock
  • Explanation of short circuits and fault currents
  • Protective systems using fuses and circuit breakers
  • Lighting & lamps with simple design calculations
  • Wiring systems and final circuits, differences between the ring and radial final circuits
  • Examples of cable sizing calculations
  • Overview of BS7671 Wiring Regs and Electricity At Work Regulations 
  • Inspection and testing and certification to BS7671 IEE Wiring regulations and EAWR
  • Periodic inspection and testing of existing installations and Portable Appliance Testing
  • Certification and reporting

Course Content 

This three day course will give you grounding in electrical services and equipment and a better appreciation of many of the issues associated with design, installation and maintenance of electrical systems. Delegates will develop their own engineering judgments and confidence when dealing with electrical issues.

Learning Outcomes

  • Understanding of simple theory applied to design calculations
  • Understand the differences between high and low voltage systems and equipment
  • Awareness of substation layout of equipment
  • Appreciate the electrical plant and equipment used in main, sub main and final distribution and circuits
  • Knowledge of electric shock and the need for continued electrical safety
  • Appraisal of different type of circuit protection (fuses or circuit breakers)
  • Through simple calculation, understand the basics of lighting design
  • Appreciate the different type of wiring systems available and how to select the best system with regard to installation, maintenance and cost considerations
  • Understand the various factors applied to correct cable sizing
  • Gain an appreciation of BS7671 IEE Wiring Regulations and Electricity at Work Regulations
  • Understand the need for initial and periodic inspection and testing and PAT testing for continuing safety of electrical systems 
  • Understand the role of the electrical designer, installer and tester in an electrical installation and their responsibilities concerning certification and reporting

Course Timings  

Registration: 09:15
Start Time: 09.30 
Latest Finish: 17.00 each day

Course Fees 

  • Standard Rate: £1315 + VAT
  • Members Rate: £1115 + VAT

In-house training at your site

Training multiple staff at once provides the opportunity for your organisation to have a training package crafted to your specific needs. In-house training can help your organisation overcome challenges and fill the skills gaps in your workforce. Courses run on a minimum number of six staff*.

For an In-house quote please email the following information to

  1. Name of course
  2. Approximate number of staff
  3. Your site address  

*Minimum numbers for in-house courses outside of the UK may vary


To contact the CIBSE Training Team with a query please

Email: or call: +44 (0)20 8772 3660