This Two-piece complete test set from Gepco, measures for multiple combinations of opens and/or shorts between the center conductor, the inner braid and the outer braid. The convenient two-unit design (remote and base unit) allows for testing without having to uninstall and coil the cable The case for both units is constructed from durable, coated aluminum chassis that is weather resistant. Operation of the TT2B is extremely simple via a single latching push button and four, highvisibility LEDs.