IEC 239: Nominal dimensions of cylindrical machined graphite electrodes with treaded sockets and nipples for use in electric arc furnaces

IEC 60294 Am1 Ed.1: Measurement of the dimensions of a cylindrical component having two axial terminations

Future IEC 61755-3-9 Ed. 1.0: Fibre optic interconnecting devices and passive components - Fibre optic connector optical interfaces - Part 3-9: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical PC ferrule for reference connector, single mode fibre

Future IEC 61755-3-10 Ed.1.0: Fibre optic interconnecting devices and passive components - Fibre optic connector optical interfaces - Part 3-10: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical APC ferrule for reference connector, single mode fibre

IEC 61755-3-6 A1 Ed.1.0: Fibre optic connector optical interfaces - Part 3-6: Optical interface - 2,5 mm and 1,25 mm diameter cylindrical 8 degrees angled-PC composite ferrule using Cu-Ni-alloy as fibre surrounding material, single mode fibre

Future 61753-124-2 Ed.1.0: Fibre optic interconnecting devices and passive components - Part 124-2: Simplex and duplex reference cords with multimode fibre and cylindrical ferrule connectors for Category C - controlled environment

IEC 61753-122-2 Ed. 1.0: Fibre optic interconnecting devices and passive components - Performance standards - Part 122-2: Simplex and duplex cords with multimode fibre and cylindrical ferrule connectors for Category C - Controlled environment

IEC 61753-124-2 Ed. 1.0: Fibre optic interconnecting devices and passive components - Performance Standard - Part 124-2: Simplex and duplex reference cords with A1a multimode fibre and cylindrical ferrule connectors for Category C - controlled environment

IEC 61753-123-2 Ed. 1.0: Fibre optic interconnecting devices and passive components - Performance standard - Part 123-2: Simplex and duplex reference cords with single-mode fibre and cylindrical ferrule connectors

IEC 61755-3-9/Ed1: Fibre optic interconnecting devices and passive components - Fibre optic connector optical interfaces - Part 3-9: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical PC ferrule for reference connector, single mode fibre