Half Price Standard Code

Electrical high-voltage equipment in high-voltage substations – Common recommendations for product standards
standard by International Electrotechnical Commission, 07/21/2004

Piezoelectric sensors – Part 1: Generic specifications
standard by International Electrotechnical Commission, 12/13/2017

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery – Safety – Part 2-4: Particular requirements for hand-held sanders and polishers other than disc type
standard by International Electrotechnical Commission, 06/04/2014

Basic principles for graphical symbols for use on equipment – Part 1: Creation of graphical symbols for registration
standard by International Electrotechnical Commission, 11/13/2008

Reference conditions and procedures for testing industrial and process measurement transmitters – Part 3: Specific procedures for temperature transmitters
standard by International Electrotechnical Commission, 04/18/2018

Universal serial bus interfaces for data and power – Part 2-1: Universal Serial Bus Specification, Revision 2.0
standard by International Electrotechnical Commission, 09/15/2018

Format for LSI-Package-Board Interoperable design
standard by International Electrotechnical Commission, 11/08/2016

Alarm and electronic security systems – Social alarm systems – Part 5: Interconnections and communications
standard by International Electrotechnical Commission, 04/10/2014

Corrigendum 1 – Power frequency overvoltage protective devices (POPs) for household and similar applications
Corrigenda by International Electrotechnical Commission, 11/14/2019

Nuclear power plants – Control rooms – Requirements for emergency response facilities
standard by International Electrotechnical Commission, 01/24/2019