General Order 64-A
Section VII
Detailed Construction Requirements For Trolley Lines
(Class T Circuits)
79.4 Warning
Signs
At every cattle guard, gate or
other opening in the fence surrounding the third rail, a sign bearing the
words, “Danger,” “Electric Third Rail” and “Keep Away,” in letters at least
three inches in height, shall be installed.
The sign may carry other information relative to the hazard present, but
these three items shall be in type of larger size than the rest.