Journal of electricity, power, and gas . owing inspec-tions and tests: 1. Design tests on a limited number of insulators(not over one per cent of the total) to determinetheir ultimate mechanical and electrical strength con-sisting of A. Mechanical inspection of separate parts. B. Electrical tests of separate parts. C. Mechanical inspection of assembled insulators. D. Electrical tests of assembled insulators. E. Mechanical tests of assembled insulators. F. Special tests which might be decided upon later. April 18, 1914.] JOURNAL OF ELECTRICITY, POWER AND GAS 133 2. Acceptance tests on all insul
Journal of electricity, power, and gas . owing inspec-tions and tests: 1. Design tests on a limited number of insulators(not over one per cent of the total) to determinetheir ultimate mechanical and electrical strength con-sisting of A. Mechanical inspection of separate parts. B. Electrical tests of separate parts. C. Mechanical inspection of assembled insulators. D. Electrical tests of assembled insulators. E. Mechanical tests of assembled insulators. F. Special tests which might be decided upon later. April 18, 1914.] JOURNAL OF ELECTRICITY, POWER AND GAS 133 2. Acceptance tests on all insulators consisting of:G. Mechanical inspection of separate tests of separate inspection and tests of assembled insu- H. J. Electrical tests of assembled specification went into very full details as tohow these tests were to be made, but a summary, forfour units to a string is as follows: Dry test over 250,000 volts. Wet test over 178,000 volts. Ultimate tensile strength 10,000
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