
General Instructions For Proper Installation, Operation, And Maintenance Of Panelboards Rated 600 Volts Or Less
出版:National Electrical Manufacturers Association

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Covers single panelboards or groups of panel units suitable for assembly in the form of single panelboards, including buses, and with or without switches or automatic overload protective devices (fuses or circuit breakers) or both.
2002 Edition in Spanish Language is still active. (03/2008)