To be read in conjunction with BS EN 1838,BS EN 50172 Cross References:BS 4678-4BS 5499-4BS 7629-1BS 7846 BS 8434-2BS EN 50200BS 8519BS EN 1838:1999BS 5266-7:1999BS EN 50086BS EN 50171:2001BS EN 50172:2004BS 5266-8:2004BS EN 50200:2006BS EN 60529BS EN 60598-2-22:1998+A2:2008BS EN 60702-1BS EN 60702-2 BS ISO 7010BS ISO 3864-1BS ISO 3864-4IEC 60331-3BS 5266-2BS 5266-4BS 5266-5 BS 5266-6BS 5266-10BS 7273-4BS 7671 BS 9999BS EN 81-1BS EN 81-2BS EN 12193BS EN 13032-3BS EN 60079-14BS EN 62034 BS EN ISO 9000CENELEC HD 384CENELEC HD 60364 PAS 79HSC L21:2000Building Regulations 2000. Approved document B:2007Scottish Building Standards Technical Handbook. Domestic. Section 2:2011Scottish Building Standards Technical Handbook. Non-domestic. Section 2: 2011Building Regulations (Northern Ireland) 2000 Technical Booklet ERegulatory Reform (Fire Safety) Order 2005Electromagnetic Compatibility Regulations 2006Health and Safety (Safety Signs and Signals) Regulations 1996