In pursuance of Sub rule 1 of Rule 15 of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Amendments to Indian standards

6915 GI/202 3 (1) रजिस्ट्री सं. डी.एल.- 33004/99 REGD. No . D. L. -33004/99 EXTRAORDINARY PART III—Section 4 PUBLISHED BY AUTHORITY (1) (2) (3) (4) (5) 60050 -713 : 1998 No. 741] NEW DELHI , WEDNESDAY , NOVEMBER 1, 2023/ KARTIKA 10, 1945 CG-DL-E-01112023-249833 (1) (2) (3) (4) (5) 60050 -725 : 1994 60050 -712 : 1992 आई एस 5561 : 2018 आई एस 10429 : 2011 आई एस 17107 : 2019 BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs) NOTIFICATION New Delhi, the 3 1st October, 2023 Ref: HQ -PUB015/1/2020 -PUB -BIS (708) .—In pursuance of Sub -rule (1) of Rule (15) of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby noti fies that Amendments to Indian standards, particulars of which are given in schedule hereto annexed have been established. SCHEDULE Sl. No. No., Year & Title of the Indian Standard No. and Month /Year of the Amendment Date of Establishment of the Amendment Date till which the standard without the amendment as mentioned in column 3 shall remain in force (1) (2) (3) (4) (5) IS 1885 (Part 87) : 2022/IEC 60050 -713 : Electrotechnical Vocabulary Part 87 Radio Communications: Transmitters, Receivers, Networks and Operation Amendment No . 1 October 2023 16 October 2023 15 November 2023 IS 1885 (Part 88) : 2022/IEC 60050 -725 : Electrotechnical Vocabulary Part 88 Space Radio Communications Amendment No . 1 October 2023 16 October 2023 15 November 2023 IS 1885 (Part 712) : 2021/IEC 60050 -712 : Electrotechnical Vocabulary Part 712 Antennas Amendment No . 1 October 2023 16 October 2023 15 November 2023 IS 5561 : 2018 Electric Power Connectors — Specification (First Revision) Amendment No . 1 October 2023 16 October 2023 15 November 2023 IS 10429 : 2011 Powdered Talc for Ceramic Industry — Specification (First Revision) Amendment No . 1 October 2023 16 October 2023 15 November 2023 IS 17107 : 2019 Method for Determination of Thermal Conductivity of Dense as Well as Insulating Fired Refractories, Refractory Monolithics and Precast Prefired (PCPF) Shapes Amendment No . 1 October 2023 16 October 2023 15 November 2023 IS/IEC 60079 -28 : 2015 Explosive Atmospheres Part 28 Protection of Equipment and Transmission Systems Using Optical Radiation (First Revision) Amendment No . 1 October 2023 16 October 2023 15 November 2023 IS/IEC 60079 -29-1 : 2016 Explosive Atmospheres Part 29 Gas Detectors Section 1 Performance Requirements of Detectors for Flammable Gases (First Revision) Amendment No . 1 October 2023 16 October 2023 15 November 2023 P. RAJESH , Scientist F & DDG (ITS, PRT & TNM) [ADVT. -III/4/Exty./ 523/2023 -24] Uploaded by Dte. of Printing at Government of India Press, Ring Road, Mayapuri, Ne w Delhi -110064 and Published by the Controller of Publications, Delhi -110054.