PD IEC TR 63139:2018 Explanation of the mathematical addition of working voltages, insulationbetween circuits, and use of PELV, in TC 34 standards

Circuit analysis
Circuit elements
Electric circuits
Circuit theory
Insulation (electrical)
Insulation devices (electrical)
Voltage
Lamps
Lamp standards

Link: PD IEC TR 63139:2018 Explanation of the mathematical addition of working voltages, insulationbetween circuits, and use of PELV, in TC 34 standards
Source: BSI Standards

PD ISO/TS 13399-315:2018 Cutting tool data representation and exchange Creation and exchange of 3D models. Modelling of machine operated feed out tools

Machine-tool control
Saws (machines)
Tools (machine)
Production machines
Teeth (cutting tools)
Single-point cutting tools
Screw-cutting tools
Inserts (cutting tools)
Production equipment
Cutting tools

Link: PD ISO/TS 13399-315:2018 Cutting tool data representation and exchange Creation and exchange of 3D models. Modelling of machine operated feed out tools
Source: BSI Standards

IEC PAS 60512-27-200:2018 Connectors for electrical and electronic equipment. Tests and measurements Additional specifications for signal integrity tests up to 2 000 MHz on IEC 60603-7 series connectors. Tests 27a to 27g

Link: IEC PAS 60512-27-200:2018 Connectors for electrical and electronic equipment. Tests and measurements Additional specifications for signal integrity tests up to 2 000 MHz on IEC 60603-7 series connectors. Tests 27a to 27g
Source: BSI Standards

PD IEC PAS 60512-27-200:2018 Connectors for electrical and electronic equipment. Tests and measurements Additional specifications for signal integrity tests up to 2 000 MHz on IEC 60603-7 series connectors. Tests 27a to 27g

Adaptors (plugs)
Plug connectors
Socket connectors
Sockets (electric)
Adaptors (sockets)
Components
Electronic equipment and components

Link: PD IEC PAS 60512-27-200:2018 Connectors for electrical and electronic equipment. Tests and measurements Additional specifications for signal integrity tests up to 2 000 MHz on IEC 60603-7 series connectors. Tests 27a to 27g
Source: BSI Standards