NFPA 79 工业设备电气标准
日期:2012-02-09 10:29
equipment -- from single-motored drill presses to complex automated manufacturing systems.
Critical changes in the 2012 NFPA 79 include
New definitions and revised rules for expanded wireless and cableless technology that align with IEC 60204-1
New sections in Chapters 6 and 16 recognizing deadly arc flash and stored energy hazards to protect workers and correlate with the 2012 NFPA 70E
New rules for selecting overcurrent devices for motors, and the important addition of a 90 degree C tempe
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09/11 11:33