If so the switch leg wire may be white. Unplugged it and hooked up the cable. Pull the receptacle out and give us clear pictures of all the wires and connections. Strangely, the rest of the outlets on this circut are wired correctly. For a better experience, please enable JavaScript in your browser before proceeding. Thanks for the replies. Check the coaxial shield...forgot about that. Hooked up, turned on, still tripped breaker - what the f---??? When the polarity is reversed, there is no current distributed to the ground so the GFCI won’t trip via your tester. Our kids just bought us a new LCD HD TV. Any takers on this puzzle?? " This is much more common with newer equipment as well. I guess my main question is why the outlet/circuit worked fine with my old TV (37" tube set) for so many years, but tripped the breaker with the new LCD 40" set? The current becomes too high at this point and the breaker trips. Brother-in-Law said sounds like the polarity may be reversed. Are the new TVs electronics so sensitive that reversed wiring in an outlet would trip a 15 amp breaker? Tested the other outlets on the same circut and they all test correct polarity. If it was a switch to outlet wiring problem, wouldn't that already have caused the breaker to trip with the old TV?? Why would the breaker trip? In fact, its probably the case that all metal parts on your new TV are directly connected to the neutral wire. Designed using state-of-the-art technology and with customers in mind. Get multimeter and check other outlets for correct polarity. $55.09. All wires I can see seem to be connected correctly. Just can't figure out why reversed wiring would cause the breaker to trip. I'm thinking it has to be with the switch somewhere - except the switch is now disconnected and the TV still works with black to silver and white to gold. The Issue of Polarity Simply so, what happens with reverse polarity? Other circuts tested correct. Under such a reverse polarity situation, diodes 74 are in forward bias mode and permit some current to pass through the voltage coil 58 . Reverse Polarity Protector 65VAC trip coil (Surge arrestor P/N 281-001 required) (ABYC E-11.6.3.3.1) Smart Breaker: Trips automatically upon sensing reverse polarity. This means that when the old tv was plugged in it did not have equipment ground in the power cord and there was not a means for the voltage on the coax to seek a ground path and thereby allowing a current flow that trips the breaker. The wires were connected originally black wire to gold screw/white wire to silver screw. How do you check polarity without a multimeter? Many times when a fire occurs, the investigator or Fire Marshal is quick to determine causation as a product defect; the search for the underlining cause of the fire then begins. Question about breaker polarity wiring - Greatest power potential ... a faulty string and the current from the other paralleled strings to flow to the faulty set the breaker connected would trip before hitting the panels max reverse current protecting the panels. But with reversed polarity you have disconnected the appliance from ground, not from power. By the way, the same above is true for triple tapped breakers where three wires connect to one circuit breaker. Reverse polarity will not trip a breaker. Do not use the switched side of the recept for the TV. Wouldn't it have to be pulling more than 15 amps? Would reverse polarity cause that - somehow a dead short??? Im thinking the voltage may be present on the coax. Only a dead short will. BEP Marinco Circuit Breaker Switch - Double Pole Reverse Polarity Auto Trip - 30 Amp . The rest of the outlets on this circut are wired correctly, black to gold, white to silver. In any case, fix the polarity. 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