Cable Tray Winged Nylon Expansion Anchor Barb Lock Sleeve Plug for Electrical Cable Management Fixing Product Description The Cable Tray Winged Nylon Expansion Anchor is designed with a wide load-distribution plate integrated into the collar that spreads the clamping force of cable tray brackets, trunking supports, and electrical containment fixings over a larger surface area. This prevents the anchor collar from pulling through or deforming under the concentrated load of