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Surge Protection to BS7671 Unit 6: BS 7671 Regulations on Surge Protection - Part B

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Unit overview

Using an example of a small electrical installation, the aim of this unit is to introduce to you the need for recording assessed results of the general characteristics in line with Part 3; and to introduce to you the concept of sources of damages due to atmospheric lightning

Please note, It is recommended that you have studied Unit 5: BS 7671 Regulations on Surge Protection - Part 1 to fully appreciate this Unit.

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Further Information
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Level Technical
Partner Details

Mr Robin Earl, Market Development Manager, DEHN (UK) Ltd. 

Robin has over twenty years’ experience of the field surge protection, originally trained by DEHN and SOHNE prior to the establishment of the DEHN UK Office. He is currently serving in BS7671 JPEL64 subcommittee D on Surge Protection and Foundation Earthing. He has presented many CPD seminars on Surge Protection and Lightning protection to IET and CIBSE members.


Dr Tony Sung, Director, Energy Reduction Management Ltd

Tony is an independent Chartered Energy and Electrical Engineering Consultant. Tony was the course tutor for the MEng(Hons) degree course in Architectural Science and Engineering Services at Manchester University. He has given lectures in Lightning and Surge Protection to BEng(Hons), MEng(Hons) and MSc students in UK and Overseas universities. He is currently the Chairman of CIBSE Electrical Services Group and representing CIBSE on BS7671 the main JPEL64 committee. He is also External Examiner to the University of Northampton.

Type Unit
What you will learn
At the end of this unit, you will be able to:

1. Understand how to record assessed characteristics of the energy source and equipment
2. Understand the origin of atmospheric lightning events
3. Understand from an electrical installation point of view, the four source types of damages that can be effected by atmospheric lightning
4. Appreciate that overvoltage protection is likely to be required for protection against either atmospheric lightning or switching surges events
Who should learn
The course will be useful for those who are involved with the design, installation, inspection, certification and approval/review of a non-complex electrical installation meeting BS7671 requirements for surge protection.
Other relevant courses available