Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 421
ability to resist puncture, andto hold back the surface leakage of current, before they are putinto practical use on high-tension lines. Experience has shownthat inspection alone cannot be depended on to detect defective 384 INSULATORS glass insulators that will fail when put into service on… … INSULATOR. ARC TO METAL PIN AT 96.000 VOLTS.Precipitation % inch per minute. Diameter 14.30 above horizontal. Height 12. Duration of test, 15 minutes. Weight 23 lbs. 385 INSULATORS tliroiiojli their substante. Tt is also ])Ossil»le to dcttMiiiiiic tlic volt-ao;e that will cause a disruptive…
Electrical engineering
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