DS EN 3660-004:2009 Aerospace Series - Cable Outlet Accessories For Circular And Rectangular Electrical And Optical Connectors - Part 004: Cable Outlet, Style A, Straight, Unsealed With Clamp Strain Relief For En 2997 And En 4067 - Product Standard Specifies a range of cable outlets, style A, straight, unsealed with clamp strain relief for use under the following conditions: Associated electrical connector(s): EN 3660-002.