1. BS IEC 60076-21:2011. Power transformers Part 21: Standard requirements, terminology, and test code for step-voltage regulators

2. BS IEC 60191-1:2007. Mechanical standardization of semiconductor devices - Part 1: General rules for the preparation of outline drawings of discrete devices

3. BS IEC 60287-1-1:2006 + A1:2014. Electric cables - Calculation of the current rating - Part 1-1: Current rating equations (100 % load factor) and calculation of losses - General

4. BS IEC 60287-2-1:2015. Electric cables - Calculation of the current rating Part 2-1: Thermal resistance - Calculation of thermal resistance

5. BS IEC 60287-3-2:2012. Electric cables - Calculation of the current rating Part 3-2: Sections on operating conditions - Economic optimization of power cable size

6. BS IEC 60317-4:2015. Specifications for particular types of winding wires Part 4: Solderable polyurethane enamelled round copper wire, class 130

7. BS IEC 60493-1:2011. Guide for the statistical analysis of ageing test data Part 1: Methods based on mean values of normally distributed test results

8. BS ISO 15:2011. Rolling bearings - Radial bearings - Boundary dimensions, general plan

9. BS ISO 68-2:1998. ISO general purpose screw threads - Basic profile - Part 2: Inch screw threads

10. BS 1560-3.1:1989. Circular flanges for pipes, valves and fittings (Class designated) - Part 3: Steel, cast iron and copper alloy flanges - Section 3.1 Specification for steel flanges