reversed

Hello, I was wondering if a malfunctioning surge protector could have adverse affects on a different outlet from the one it is plugged into. With the surge protector plugged in and turned on, the other outlet lights the circuit tester when the leads are placed at neutral and ground. When the...

Hi, I have a Bryant 80+ furnace (with AC) and my board is continually flashing. The status code says reversed polarity. Can anyone help me figure out what is going on before I have to call a HVAC company. I have little experience with furnaces but am good with electricity. Thanks in advance!!

Any ideas? I have an outlet that quit working. Testing with circuit tester shows hot and ground reversed. Testing with voltmeter shows 120V between either terminal and ground, but 0V between terminals. Outlet has been working fine for 8 years - so what could have changed? Could be related...