Proper logs of earth resistance measurements, schematic diagrams of the earthing network, and inspection dates must be meticulously maintained for regulatory audits. Conclusion
Electricity (Electrical Installations) Regulations, Energy Market Authority, Singapore ss 551 code of practice for earthing
The standard covers the methods that may be adopted to earth an electrical system to limit the potential of current-carrying conductors that form part of the system. It takes into account non-current-carrying metalwork associated with equipment, apparatus, and appliances connected to the system. The latest revision, SS 551:2022, supersedes the previous 2009 edition and introduces updated requirements reflecting current industry practices. Proper logs of earth resistance measurements
This guide provides a comprehensive examination of SS 551, covering its purpose, scope, technical requirements, design considerations, and practical applications in Singapore’s electrical landscape. schematic diagrams of the earthing network