The distribution center shall consist of a single pole, double-throw switch, a common wire terminal, resistance unit and Edison plug cut-out, all mounted ... The switch board for engines in switching or backup service having front and rear headlights, shall consist of special single-pole, ... With a separate Io-ampere snap switch (or preferably a toggle switch) to short circuit and cut out this unit when not used.
|Title||:||Proceedings of the Session of the Association of American Railroads. Operations and Maintenance Department. Mechanical Division|
|Author||:||Association of American Railroads. Mechanical Division|