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
Association of American Railroads -- Advance Reports ; 38 , n 1 ; p 238-254
1941
17 pages
Aufsatz (Konferenz)
Englisch
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Committee IX -- Overhead and underground lines
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Engineering Index Backfile | 1944
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1937
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1933
Committee IX -- Overhead and underground lines
Engineering Index Backfile | 1936