The International Electrotechnical Commission (IEC) has released IEC 62154-4-11 and IEC 62153-4-12 which detail test methods for metallic communication cables.Part 4-11 deals with coupling attenuation or screening attenuation of patch cords, coaxial cable assemblies and cables manufactured with connectors. Part 4-12 deals with coupling attenuation or screening attenuation of connecting hardware. Both specifications involve the absorbing clamp method of testing.Visit the IEC Web store for details about Part 4-11.Visit the IEC Web store to read a preview of Part 4-12.