1. BS EN 116300:1994. Harmonized system of quality assessment for electronic components Sectional specification Electromechanical all-or-nothing heavy load relays of assessed quality (Rated from 5 A and above)

2. BS EN 116303:1996. Harmonized system of quality assessment for electronic components - Blank detail specification - Electromechanical all-or-nothing heavy load relays of ssessed quality (hermetically sealed, 5A to 25A)

3. BS EN 132400:1995. Harmonized system of quality assessment for electronic components Sectional specification Fixed capacitors for electromagnetic interference suppression and connection to the supply mains

4. BS EN 140101:2008. Blank Detail Specification Fixed low power film resistors

5. BS EN 140101-806:2008 + A1:2013 Detail Specification Fixed low power film resistors - Metal film resistors on high grade ceramic, conformal coated or molded, axial or preformed leads

6. BS EN 140401:2009. Blank Detail Specification Fixed low power film surface mount (SMD) resistors

7. BS EN 140401-801:2007 + A1:2013. Detail specification Fixed low power film SMD resistors - rectangular

8. BS EN 140401-802:2007 + A2:2013. Detail specification Fixed low power film SMD resistors - Rectangular

9. BS EN 140401-803:2007 + A2:2013. Detail specification Fixed low power film SMD resistors - Cylindrical

10. BS EN 140401-804:2011 + A1:2013. Detail Specification Fixed low power film high stability SMD resistors — Rectangular