G - Physics – 01 – R
Patent
G - Physics
01
R
324/58
G01R 31/02 (2006.01)
Patent
CA 2003916
Abstract of the Disclosure A monitor for detecting miswiring in standard 3-spade AC electrical outlets. The monitor includes a housing, prongs for insertion into the outlet to be tested, outlet ports for an external plug, and a banana jack for a wrist strap or other anti-static device. If the outlet is properly wired, a lamp will illuminate. If, however, the outlet is miswired, one of two silicon controlled rectifiers will shunt current around the lamp, extinguishing it, indicating to the user the presence of a faulty outlet. A junction field effect transistor is also provided to activate one of the silicon controlled rectifiers when one particular miswiring condition is present.
Robitaille James Marian
Wilson Robert Wilfred
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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