Enclosure NEMA ratings This topic contains 2 replies, has 2 voices, and was last updated by Bradford Hardy 7 months, 3 weeks ago. Author Posts May 26, 2017 at 10:39 am #9828 Bradford HardyParticipant Hi what are all the NEMA rating and what do they mean? May 26, 2017 at 10:45 am #9829 John CGalco Representative Hello Bradford, thanks for asking Galco today. NEMA ratings are the level of protection for the equipment and the personnel around the equipment. Click on this link for a complete listing from NEMA.org NEMA RATINGS . May 26, 2017 at 10:48 am #9830 Bradford HardyParticipant Perfect thanks John Author Posts You must be logged in to reply to this topic.