Search
Displaying 11 to 20 of 195 items.
… Warning Systems 20. Interconnected Devices - Inspection and Testing 18. Prepare to Stop at Railway Crossing Sign 18.1 … applicable specifications in article A1.6 of that Manual, and must operate: in advance of the activation of the light units of the warning system and: during the time of the operation of the light units of …
28.064
… 104. Hand Operated Switches General (a) Operation of Switches - … spring, dual control or auto-normal switches operated by hand are considered hand operated switches, and all rules governing hand operated …
34.812