Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors (+A1:2026)

BS EN IEC 60445:2021

British Standards Institution
Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors (+A1:2026) Download document

Document Status

Current

Supplement

British Standards Extra Supplement

Series

BS EN IEC

Abstract

Covers identifying and marking of terminals of electrical equipment, for example, resistors, fuses, relays, contactors, transformers, rotating machines and combinations of these. Relates also to identifying terminations of certain designated conductors and supplies general rules for using certain colours or alphanumeric notations to indicate conductors.

History

Supersedes BS EN IEC 60445:2021. Identical to IEC 60445:2021, incorporating amendment 1:2026. Amendment dated 31 March 2026 - Implementation of IEC amendment 1:2026 with CENELEC endorsement A1:2026.

ISBN

9780539317558

Subjects

  • Building services
  • Special subject areas
  • Electrical services
  • Health and safety
  • Electrical machinery

Publisher History

With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.

Information

NBS

NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

Accuris

We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.