Alternatives Available to PCB Insulating Oils (PolyChlorinated Biphenyls) for Electrical Equipments on UK Railways & Industrial Plants
What is polychlorinated biphenyl? It is an oil that was extensively once used in transformers, capacitors and other electrical products as an insulating oil or dielectric fluid. It had very good thermal characteristics and excellent electrical insulating properties. However, they are highly toxic, they do not degrade naturally, and when burned produce even nastier byproducts. …