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200 10$aIEEE Std C37.21-2017 (Revision of IEEE Std C37.21-2005) $eIEEE Standard for Control Switchboards /$fInstitute of Electrical and Electronics Engineers
210  1$aNew York, NY, USA :$cIEEE,$d2017.
215   $a1 online resource (34 pages)
330   $aRatings, construction, and testing of dead-front control switchboards containing, but not limited to, devices such as switches, control devices, instrumentation, metering, monitoring, alarms, annunciators, protective and auxiliary relays, and regulating devices and accessories are covered in this standard. It includes, but is not specifically limited to, switchboards for the control and protection of apparatus used for or associated with power generation, conversion, transmission, and distribution. Types of switchboards may include control, vertical, dead-front, enclosed, dual, or duplex switchboards. Other construction types include control desks, consoles, benchboards, dual or duplex benchboards, fixed rack, cabinet, and swing rack cabinets. It does not apply to industrial controls, communication equipment, switchboards for use on board ships, or Class 1E switchboards for use in nuclear generating stations.
517   $aIEEE Std C37.21-2017 
606   $aElectric switchgear
606   $aElectric contacts
615  0$aElectric switchgear.
615  0$aElectric contacts.
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