Electric Wiring, 3rd Edition

170 Inspection and testing

until the faulty circuit is found. Further tests should then be made on this

circuit to locate the faulty section or equipment.

An aid to testers

When conducting insulation tests, a diagram of connections made at the

commencement of the test is an aid to testers who are not continually engaged

on testing such schemes. A note of each reading should be taken, for it should

be remembered that the fault may not be concentrated on one particular lead,

but may be spread over the system generally, due, for instance, to dampness

which may cause leaks to occur at many points. Under such conditions, the

only way to determin ...