Where does the 12VDC power supply originates from? Series connection of two independent 12VDC power sources will produce 24VDC. Siemens SITOP power supplies are listed for Class I, Dv. 2 use, but mostly with AC input.
Originally Posted by bachrachh
Both NEC and OSHA addresses the requirements for Hazardous Location Installations. To define an area you can seek guidance in NFPA 497.
Laszlo Z Weress
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