IEEE Std 1673 pdf download IEEE Standard for Requirements for Conduit and Cable Seals for Field Connected Wiring to Equipment in Petroleum and Chemical Industry Exposed to Pressures above Atmospheric (1.5 kPa, 0.22 psi) 1.Overview1.1 Scope This document provides specific requirements for field installed sealing between a pressurized system (stream)containing flammable or combustible process fluids which is connected directly or...