Garton-Daniels and Keystone lightning protective apparatus. (1921)
Electric Service Supplies Co. · Electric Service Supplies Co. · leaf 15
Oscillogram B Arrester—Type EX, Form 3, rated for 2500 Volt 3 phase grounded Y circuit.Test Voltage—3000.Dynamic current flow—8.0 amperes.Duration of current flow—.22 cycle or .0036 second. … Oscillogram C Arrester—Type EX, Form 3, rated for 2500 Volt 3 phase grounded Y circuit.Test Voltage—Jfl 50. Dynamic current flew—15.3 amperes. Duration of current flow—.3k cycle or .0056 second. circuit, it was operating under conditions equivalent lo the worst that couldoccur in actual service.…
Lightning arresters · Ligtning protection for buildings · Lightning protection for structures · Lightning protection surge arresters and suppressors · Medium-voltage lightning arresters
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