IEC 61156-8:2009+A1:2013(E) relates to IEC 61156-1 and IEC 61156-7. The cables described herein are specified up to 1 200 MHz and are specifically designed to build patch, equipment, and work area cables as defined in ISO/IEC 11801 and ISO/IEC 15018. It covers a cable having four individually screened (STP) pairs. The cable may be provided with a common screen over the cable core. The transmission characteristics are specified for a frequency range 4 MHz to 1 200 MHz and at 20 °C. The contents of the corrigendum of July 2009 have been included in this copy. This consolidated version consists of the first edition (2009) and its amendment 1 (2013). Therefore, no need to order amendment in addition to this publication.