Which terminal is which in a standard household outlet?
Smart-UPS, Back-UPS, Surge
All models, All Serial Numbers
The NEMA 5-15 receptacle is the most common electrical receptacle in the United
States and Canada. It is a two-pole, three-wire grounding receptacle which is
used for a maximum of 15A and 125V. The standard wire colors are green for
Ground and white for Neutral. The color of the Hot wire can vary depending on
the building's electrical scheme; most common colors for the Hot wire are black
and red. The individual prongs: Hot, Neutral & Ground are well differentiated
as indicated in the diagram below.