UL 1604 is obsolete and has been superceded by ANSI/ISA 12.12.01. The end of life date for 1604 was July 31, 2012. That being said, this is a good overview of the requirements for either standard. Anyone working with this type of product should also get familiar with the IEC 60079 series standards. They define the hazardous locations (known as explosive atmospheres or ATEX) requirements for europe. IEC60079-0 describes the basic requirements, and the others describe varios protection methods.
Most of the new 3D printers and 3D printing technologies in this crop are breaking some boundaries, whether it's build volume-per-dollar ratios, multimaterials printing techniques, or new materials types.
Independent science safety company Underwriters Laboratories is providing new guidance for manufacturers about how to follow the latest IEC standards for implementing safety features in programmable logic controllers.
Automakers are adding greater digital capabilities to their design and engineering activities to promote collaboration among staff and suppliers, input consumer feedback, shorten product development cycles, and meet evolving end-use needs.
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