Polarisation Cell Posted on 13th December 201512th May 2021 by ThePD (The Project Definition) A Polarisation Cell is a DC decoupling device that protects against induced AC current and ground fault current on buried pipelines. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Science and tagged chemistry, science. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.