Professional supervision advised. Warning: If unfamiliar with electrical safety proced. Also shows potential of outlet and meter se. Free by coupon or very low cost by wallet!
The course was put together with the amateur in mind so it is pretty easy to follow yet powerful and effective.

The black lead will be inserted into the left vertical slot of the wall outlet.

Now it will be time to check to see what reading you are receiving.
This all depends on the power levels the utility companies are supplying. Ever wonder if power is actually reaching an outlet ? Properly use your multimeter also can tell you whether the white and black wires are reverse whether the receptacle is properly grounde and which cable entering the box feeds power to the outlet. If voltage in the circuit is unknown, set the range to the highest voltage setting and set the dial on ṽ. Note: Most multimeters power up in Autorange mode. Prior to performing any electrical work, four methods can help you figure out if that outlet or light box has power running toward or through it.





