3 Installation3.3 Electrical InstallationDE1 variable speed starter 09/14 MN040011EN www.eaton.com 49The following figure shows an example illustrating the layout for a four-core,screened motor cable (recommended configuration).figure 39: Four-core screened motor supply cablea Cu shield braidb PVC outer casingc Drain wire (copper strands)d PVC core insulation, 3 x black, 1 x green–yellowe Textile and PVC fillersIf additional assemblies (e.g., contactors, overload relays, motor chokes, sinefilters, and/or terminals) are found in a motor feeder, the motor cable'sscreening can be interrupted close to these assemblies and connected to themounting plate (PES) in such a way that electrical contact is establishedacross a large surface area. Unscreened connection cables should not belonger than approx. 300 mm.bae d c
