Garton-Daniels and Keystone lightning protective apparatus. (1921)
Electric Service Supplies Co. · Electric Service Supplies Co. · leaf 23
e Arresters be installed inaccord with the printed instructions sent with each shipment, and (2) that notless than five (5) Arresters to the mile of line be used in Electric Railway work(grounded circuits), or less than two (2) sets to the mile of line in Light orPower work (metallic circuit); in… … Dots show lightning path. Dashes show normalcurrent path. Air enough vojtaue gaps just largeto hold hack line Non-inductive series re-sistance to limit normalcurrent to ten amperes. // current following dis-charge is too hairy to hecut off by air (japs alone, It is shunted into thisM.Ienoid,…
Lightning arresters · Ligtning protection for buildings · Lightning protection for structures · Lightning protection surge arresters and suppressors · Medium-voltage lightning arresters
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.