Patent ID: 7906956
Filing Date: 2011-03-15
Classification: G01R,G06F

Abstract:
1. A polarity tester engagable with an electronic communication port to test the polarity thereof, the polarity tester comprising: a housing; a connector supported on the housing and comprising a plurality of electrical contacts and a sheath closing around the plurality of electrical contacts, the connector being adapted to place the plurality of electrical contacts in electrical connection with a respective plurality of electrical contacts in the communication port when the connector is selectively engaged therewith, the plurality of electrical contacts including a power supply contact and a ground contact; a conductive path defined within the housing an extending from the power supply contact to the ground contact; and an indicator connected within the conductive path between the power supply contact and the ground contact, and arranged to provide to a user of the polarity tester, when the connector is engaged with the communication port, an indication of whether electricity flows into the conductive path from the respective plurality of electrical contacts in the communication port through the power supply contact.