TY  - RPRT
TI  - Safety rules for the operation of electrical equipment and lines: comprising part 4 of the fourth edition national electrical safety code 
PY  - 1926
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS HB 8
DO  - 10.6028/NBS.HB.8
ER  -