Hot-Ground Reverse on Three-Light Tester

BEWARE Of These 3 Common Wiring Mistakes On Outlets & Switches which slot is hot on an outlet Set the device to AC voltage mode and insert the leads correctly, with one prong in the hot slot and one in neutral A normal reading is 110-120 volts which caliper is used to measure the width of the slot Here's a modern wall outlet Notice that of the two top slots, the one on the right is smaller

which slot machines to play The two vertical ones on either side are the hot and neutral wires that deliver electricity to your outlet The longer slot on the left is