Vols. for 1920- include qHistorical record of standards and recommended practice.qThe distribution center shall consist of a single pole, double-throw switch, a common wire terminal, resistance unit and Edison plug cut-out, ... The switch board for engines in switching or backup service having front and rear headlights , shall consist of special single-pole, ... With a separate 10-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 American Railway Association|
|Author||:||American Railway Association. Mechanical Division|