ELECTRICAL RULES, TABLES, TESTS AND FORMULÆ (CLASSIC REPRINT)

Excerpt from Electrical Rules, Tables, Tests and FormulæWe have therefore only to look up for the reciprocal of the reading gag in Barlows or other tables (for reciprocals 1 to 1000 see pp. 1 to multiply it by subtract 1 and multiply by R to get 3. For copfier resistance tests B may conveniently be taken as the nearest m tiple to the resistance of the cable or wire under test, and for insulation 1 megohm answers very well.These slides are now very much used on cable expeditions, both during and after submersion.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works._,