User Manual Application Note for Recommended Cable Grounding Download Resource The file you are trying to access requires you to be logged in as a registered user. Registration is free, sign up today. Username Enter your Curtiss-Wright Defense Solutions username. Password Enter the password that accompanies your username. Forgot password? Don’t have an account? Register here. Best practices for grounding of Curtiss-Wright/Parvus products requiring 38999 cables, whether they be Ethernet switches/routers, mission computer products, or other specialty systems which might be sold with or without system cable harnesses.