The work of the ISA12 Standards Committee and Subcommittees has been transferred to Underwriters Laboratories Inc. (UL) under UL STP 60079. "While ISA Standards has moved into new areas beyond our ...

Inherently safe machinery, electrical and electronic systems that do not contain hazardous materials, high voltages, bare terminals or other potentially dangerous parts that can cause injury to a ...

Ex d, or flameproof enclosure, is a widely used explosion protection method for electrical equipment operating in hazardous areas with potentially explosive gas atmospheres. The term Ex ‘d’ ...