IEC 60353:1989

Line traps for a.c. power systems

IEC 60870-3:1989

Telecontrol equipment and systems. Part 3: Interfaces (electrical characteristics)

IEC TR 60870-1-1:1988

Telecontrol equipment and systems. Part 1: General considerations. Section One: General principles

IEC 60864-1:1986/AMD1:1987

Amendment 1 - Standardization of interconnections between broadcasting transmitters or transmitter systems and supervisory equipment. Part 1: Interface standards for systems using dedicated interconnections

IEC 60864-1:1986

Standardization of interconnections between broadcasting transmitters or transmitter systems and supervisory equipment. Part 1: Interface standards for systems using dedicated interconnections

IEC 60381-2:1978

Analogue signals for process control systems. Part 2: Direct voltage signals

IEC 60481:1974

Coupling devices for power line carrier systems