Standards set the benchmarks for good practice, professionalism and help provide assurance to clients and ensure their expectations are met. They also promote a culture that encourages the delivery of high quality services.
Applying the right standards is crucial when carrying out different areas of work; importantly they fulfil obligations under contract but ultimately obligations under Health and Safety and the Electricity at Work Regulations.
When designing, installing, commissioning, testing, inspecting or maintaining high voltage electrical systems, depending on the scope of work, a combination of the most recent edition of the following Regulations, standards and guidance would apply:
BS 7671 Requirements for Electrical Installations. (The IET Wiring Regulations)
BS 6626 Maintenance of electrical switchgear and controlgear for voltages above 1 kV and up to and including 36 kV. Code of practice
BS EN 50110-1 Operation of electrical installations. General requirements
BS EN 60076-1: 2011 Power Transformers
BS EN 50522: 2011 Earthing of Power Installations Exceeding 1kV
BS 7430: 2011 CoP for Protective Earthing of Electrical Installations
BS EN 61936-1: 2010 Power installations exceeding 1kV part 1 common rules
HSR 25 Guidance on The Electricity at Work Regulations 1989
HSG230 Keeping Electrical Switchgear Safe
HSG47 Avoiding Dangers from Underground Services
SI 2002 No. 2665 The Electricity Safety, Quality and Continuity Regulations 2002
Guidance on the Electricity Safety, Quality and Continuity Regulations 2002