Protection against fire is a key element of Amendment 3 to the 17th Edition. Vital changes will potentially vastly improve the safety of contractors, consumers and the fire services. Guidance Note 4: Protection Against Fire provides clear guidance on how to apply the updated aspects of BS 7671. Changes include information on: Wiring in escape routes Consumer units (to come into effect January 2016) Heating equipment These changes affect all those working on installations. Ensure the safety of yourself and others by following the new guidance. Amendment 3 published on 5 January 2015 and comes into effect on 1 July 2015. All new installations from this point must comply with Amendment 3 to BS 7671:2008.