Half Price Standard Code

Video surveillance systems for use in security applications – Part 1-2: System requirements – Performance requirements for video transmission
standard by International Electrotechnical Commission, 10/29/2013

Lightning protection system components (LPSC) – Part 3: Requirements for isolating spark gaps (ISG)
standard by International Electrotechnical Commission, 02/10/2012

AC and/or DC-supplied electronic controlgear for discharge lamps (excluding fluorescent lamps) – Performance requirements for low frequency square wave operation
standard by International Electrotechnical Commission, 04/09/2015

Programmable components in electronic lamp controlgear – General and safety requirements
standard by International Electrotechnical Commission, 05/07/2015

Universal Serial Bus interfaces for data and power – Part 1-4: Common components – USB Type-C¿¿¿ Authentication Specification
standard by International Electrotechnical Commission, 04/10/2018

Piezoelectric sensors – Part 2: Chemical and biochemical sensors
standard by International Electrotechnical Commission, 12/13/2017

Photovoltaic inverters – Data sheet and name plate
standard by International Electrotechnical Commission, 12/16/2014

Heat-shrinkable low and medium voltage moulded shapes – Part 3: Specification for individual materials – Sheet 101: Heat-shrinkable, polyolefin moulded shapes for low voltage applications
standard by International Electrotechnical Commission, 01/10/2018

Railway applications – Fixed installations – Particular requirements for a.c. switchgear – Part 3-2: Measurement, control and protection devices for specific use in a.c. traction systems – Single-phase current transformers
standard by International Electrotechnical Commission, 03/10/2009

Document management – Part 1: Principles and methods
standard by International Electrotechnical Commission, 09/26/2001