Surge Protection to BS7671 Unit 3: Earthing System Types and Safety Requirements for Earthing
One of the main criteria of good surge protection is the installation must have a direct connection to earth. The aim of this unit is to introduce to you the need for solid earthing for surge protection of an electrical installation.
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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.
1. Understand the legislative requirements for protective earthing
2. distinguish the different type of earthing system configurations
3. distinguish between protective earthing and functional earthing
4. understand the requirements of BS 7671 for safety and functional earthing