2013NEMA PB 1.1-2013 General Instructions for Proper Handling, Installation, Operation, and Maintenance of Panelboards Rated 600 Volts or less
2007NEMA PB 1.1-2007 General Instructions for Proper Installation, Operation, and Maintenance of Panelboards Rated 600 Volts or Less
2003NEMA PB 1.1-2003 General Instructions for Proper Installation, Operation, and Maintenance of Panelboards Rated 600 Volts or Less
2002NEMA PB 1.1-2002 INSTRUCCIONES GENERALES PARA LA INSTALACION, OPERACION Y EL MANTENIMIENTO CORRECTO DE TABLEROS DE ALUMBRADO Y CONTROL HASTA 600 VOLTS NOMINALES O MENOS
1996NEMA PB 1.1-1996 General Instructions for Proper Installation@ Operation@ and Maintenance of Panelboards Rated 600 Volts or Less
1991NEMA PB 1.1-1991 General Instructions for Proper Installation@ Operation@ and Maintenance of Panelboards Rated 600 Volts or Less
1986NEMA PB 1.1-1986 GENERAL INSTRUCTIONS FOR PROPER INSTALLATION@ OPERATION AND MAINTENANCE OF PANELBOARDS RATED 600 VOLTS OR LESS
1979NEMA PB 1.1-1979 INSTRUCTIONS FOR SAFE INSTALLATION@ OPERATION@ AND MAINTENANCE OF PANELBOARDS RATED 600 VOLTS OR LESS