1. BS EN 61535:2009 + A1:2013. Installation couplers intended for permanent connection in fixed installations

2. BS EN 61537:2007. Cable management - Cable tray systems and cable ladder systems

3. BS EN 61543:1996. Residual current-operated protective devices (RCDs) for household and similar use - Electromagnetic compatibility

4. BS EN 61549:2003 + A3:2012. Miscellaneous lamps

5. BS EN 61557-1:2007. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements

6. BS EN 61557-10:2013. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. — Equipment for testing, measuring or monitoring of protective measures - Part 10

7. BS EN 61557-2:2007. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance

8. BS EN 61557-3:2007. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

9. BS EN 61557-4:2007. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4

10. BS EN 61557-5:2007. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth