TY  - RPRT
TI  - Safety rules for the installation and maintenance of electric supply stations: comprising part 2 and the grounding rules of the fifth edition of the national electrical safety code 
PY  - 1941
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS HB 32
DO  - 10.6028/NBS.HB.32
ER  -