Historical
ANSI/ISA 12.27.01-2002
Requirements for Process Sealing Between Electrical Systems and Flammable or Combustible Process Fluids (Downloadable)
Provides specific requirements for process sealing between electrical systems and flammable or combustible process fluids where a failure could allow the migration of process fluids directly into the electrical system. Examples of this type of seal include diaphragm seals, thermowells, and pump seals. The requirements of this document are not meant to apply to electrical conduit and cable seals as addressed in ANSI/NFPA 70:2002 Section 501:5 (C) and 505.16 (D).
Content Provider
The International Society of Automation [isa]