Improvements in electrical continuity testing devices
494,080. Detecting faults. GENERAL ELECTRIC CO., Ltd., and WHILLANS, E. S. April 25, 1938, No. 12326. [Class 37] A testing device for indicating continuity comprises a clip 2 and flexible wire 3 for fixing to a point to be tested, the wire connection being taken to the rear end of a hollow cylin drical insulating handle 5 containing a buzzer 8 anc its operating battery 9 which is connected througl a spring 12 to a test point 13 carried by the front enc of the handle. The frame 10 of the buzzer makes con tact with the other pole o the battery 9. The test point 13 is fixed in an in sulating cap 16 which can be unscrewed from the cylinder 5 for extracting and replacing the battery.