Amendment No 1 to IEC 60331-21, Ed 1, Tests for electric cables under fire conditions - circuit integrity - Part 21: Procedures and requirements - Cables of rated voltage up to and including 0,6/1,0 kV

IEC 60331-31, Ed 2, Tests for electric cables under fire conditions - circuit integrity - Part 31: Procedures and requirements for fire with shock - Cables of rated voltage up to and including 0,6/1,0 kV

IEC 60331-32, Ed 1 - Tests for electric cables under fire conditions - Circuit integrity - Part 32: Procedures and requirements for fire with shock - Cables of rated voltage up to and including 0,6/1,0 kV and with an overall diameter not exceeding 20mm.

IEC 60331-XX, Ed 1.0, Tests for electric cables under fire conditions - Circuit integrity - Part XX: Apparatus, Procedure and Requirements - Fire with shock at a temperature of at least 830 °C for cables tested in a metal enclosure

Alarm systems - Part 7-20: Message formats and protocols for serial data interfaces in alarm transmission systems - Terminal interfaces employing ITI-T Recommendation V.24/V.28 signalling

Rotating electrical machinery - Part 20-1: Control motors - Stepping motors

Space engineering - Manufacturing and control of electrical harness

Amendment No.1 to IEC 245-3 (Edition 2)

Amendment No. 1 to IEC 754-2: To introduce a simplified method of expressing the results of tests

Amendment No 2 to IEC 60245-8 Ed.1: Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 8: Cords for applications requiring high flexibility