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BS 7909 Revisited

Important! This will affect every single member of the STLD

BS 7909, The Code of Practice for the “Design and installation of temporary distribution systems delivering AC electrical supplies for lighting, technical services and other entertainment related purposes.” Has been revised and is at the draft for Public Comment Stage. This is a major revision and contains a significant number of changes, such as :

  • An increase in the range of events that use temporary electrical distributions.
  • Recognition of the range & quantity of electrical equipment, and the related staff that are hired in for a given event.
  • The management of temporary electrical distributions.
  • Temporary distributions have been split into “small/simple” or “large/complex” and are treated separately.
  • The requirements and terminology of BS 7671: 2008 (The IEE wiring regulations 17th edition) have been adopted where appropriate.
  • The annexes have been fully revised and new several new annexes have been added to give guidance and information on system earthing issues, testing and RCDs.

    • The availability DPC BS 7909: 2008 will be announced in BSi publication “Update Standards” dated April 2008, under ‘Draft Standards for Public Comment’. “Update Standard” is available as hard copy only, but can be obtained from BSi Customer Services on Tel 020 8996 9001. It is hoped that the DPC BS 7909 will be shown as available for comment on the BSI Website

    This page gives information about DPCs available and how to obtain them, it also deals with making comments and gives access to the forms that should be used for submitting comments. The page has a blue menu bar along the top with a search box at the right. The document identifier 08/30166535DC should be used to search for the DPC BS 7909. The search will be successful as soon as the DPC is available, the screen will state BS 7909 and link to an option to buy. The DPC will cost £10 for BSi members or £20 for non-BSi members.

    The period for comment is 2 months from the end of March, so if you wish to comment you must do so ASAP!

    We need your feedback and your comments as they are vital as this standard will be adopted and this is our chance to feedback our comments prior to the standards adoption.

    We have been warned!

    As the nominated STLD representative on the revision committee, Mike LeFevre would like to ask all interested parties to contact him ( treasurer (at) stld.org.uk or in writing to the address in the printed flyer) with their feedback and comments on this draft of BS 7909.