High frequency tests of line insulators

The object of this paper is to present for consideration certain very interesting and suggestive high frequency insulator tests recently made by the authors. These tests were undertaken to determine the availability of a certain insulator for use on a projected 38,000-volt line and resulted in a radical modification of the design. Having a strictly utilitarian purpose in view, these tests were not expanded to a point that would be desirable from a scientific point of view, although the nature of the results shows the great desirability of further research in this same field. With this explanation the plan of the tests will be understood.