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ECA outlines HVACR impacts of New Year wiring regulations overhaul

ECA has said that revisions to UK standards that back an increased focus on surge protective devices and improved support for cables are among changes most likely to impact HVACR installations

Revised Wiring Regulations (BS 7671) that came into effect on January 1 have introduced a number of amendments to industry best practice concerning HVAC system installation and design.

The Electrical Contractors’ Association (ECA), which has published updated guidance for the 18th iteration of UK wiring standards, said that a number of significant changes have been included in this latest revamp of the standards. This includes an additional requirement to support cables and prevent entanglement.

Gary Parker, senior technical engineer with the ECA, said other amendments likely to impact heating and ventilation design included highlighting a need for the use of surge protective devices (SPDs) and recommending the installation of Arc Fault Detection Devices (AFDDs).

Mr Parker said that the amendments would be essential for all electrotechnical work and encompassed both a rewording of existing terms and a complete overhaul of other regulatory requirements.

Another amendment included in the revised standards is a focus on energy efficiency that is included in the appendix.

Mr Parker added, “The way we design, install and use installations is rapidly evolving with new technologies, shifts in end-user behaviour, and lessons learned from previous editions of the book. The 18th Edition ensures that UK technicians stay ahead of the curve and continue to design, install and maintain electrical installations to a world-class standard.”

The ECA said that BS 7671 was not retrospective and would apply solely to any installation designed after December 31. The organisation said it was important for ongoing inspections and testing under any installations based on the new standards to ensure that any potential failing or room for improvement can be found.

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