EMI / RFI Proof – (Standard) Strain Relief, Cord Grips, Cable Glands – Nickel Plated Brass
https://www.sealconusa.com/ncemi-selection.html These Liquid Tight EMI / RFI – Proof Grounded Strain Relief Fittings made of nickel plated brass are the perfect answer to stringent requirements for reliable grounding and protection from electromagnetic interference (EMI). The STANDARD version has an integral O-ring, which presses the braiding against the inside wall of the body but can only be used with braided shield, PG, Metric, NPT Threads.