IEC 60268-10 : 2.0 SOUND SYSTEM EQUIPMENT - PEAK PROGRAMME LEVEL METERS International Electrotechnical Committee
IEC 60235-2D : 1.0 MEASUREMENT OF THE ELECTRICAL PROPERTIES OF MICROWAVE TUBES - GENERAL MEASUREMENTS - FOURTH SUPPLEMENT International Electrotechnical Committee
IEC 60258 : 1.0 DIRECT ACTING RECORDING ELECTRICAL MEASURING INSTRUMENTS AND THEIR ACCESSORIES International Electrotechnical Committee
IEC 60245-7 : 1.0 RUBBER INSULATED CABLES - RATED VOLTAGES UP TO AND INCLUDING 450/750 V - HEAT RESISTANT ETHYLENE-VINYLACETATE RUBBER INSULATED CABLES International Electrotechnical Committee
IEC 60264-1 : 1.0 PACKAGING OF WINDING WIRES - PART 1: CONTAINERS FOR ROUND WINDING WIRES International Electrotechnical Committee
IEC 60235-2B : 1.0 MEASUREMENT OF THE ELECTRICAL PROPERTIES OF MICROWAVE TUBES - GENERAL MEASUREMENTS - SECOND SUPPLEMENT International Electrotechnical Committee
IEC 60235-8A : 1.0 MEASUREMENT OF THE ELECTRICAL PROPERTIES OF MICROWAVE TUBES - BACKWARD WAVE OSCILLATOR TUBES - 'O' TYPE - FIRST SUPPLEMENT International Electrotechnical Committee
IEC 60255-21-3 : 1.0 ELECTRICAL RELAYS - VIBRATION, SHOCK, BUMP AND SEISMIC TESTS ON MEASURING RELAYS AND PROTECTION EQUIPMENT - SEISMIC TESTS International Electrotechnical Committee
IEC 60244-7A : 1.0 METHODS OF MEASUREMENT FOR RADIO TRANSMITTERS - CABINET RADIATION AT FREQUENCIES ABOVE 1 GHZ - FIRST SUPPLEMENT: SECTIONS 4 & 5: MEDIUM-SIZED AND LARGE TRANSMITTERS International Electrotechnical Committee
IEC 60255-21-2 : 1.0 ELECTRICAL RELAYS - VIBRATION, SHOCK, BUMP AND SEISMIC TESTS ON MEASURING RELAYS AND PROTECTION EQUIPMENT - SHOCK AND BUMP TESTS International Electrotechnical Committee
IEC 60268-16 : 4.0 SOUND SYSTEM EQUIPMENT - PART 16: OBJECTIVE RATING OF SPEECH INTELLIGIBILITY BY SPEECH TRANSMISSION INDEX International Electrotechnical Committee
IEC 60247 : 3.0 INSULATING LIQUIDS - MEASUREMENT OF RELATIVE PERMITTIVITY, DIELECTRIC DISSIPATION FACTOR (TAN DELTA) AND D.C. RESISTIVITY International Electrotechnical Committee