Modifications of National Electrical Safety Code to avoid confliction with recognized signal practice; specifications for rubber insulating and friction tape, and copper covered steel wire with or without weather resistant covering; possible substitution of fire resisting materials for replacing braid covering for rubber insulated wires and cables; etc. (Signal Sec)
Committee IX -- Overhead and underground lines
Assn Am Railroads -- Advance Reports
Association of American Railroads -- Meeting ; 1941 Standards
1941
17 pages
Conference paper
English
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Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1936
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1934
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1944
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1937
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1933