Abstract: An electrical meter for use with a standard watthour meter and a standard meter socket having a housing which includes a display area, a meter receiving section having a base plate which supports a plurality of jaw members positioned to receive the blades of a standard watthour meter, meter socket engaging blades extending rearwardly of the housing and positioned to engage the jaws of a standard meter socket, an electrical meter assembly supported within a longitudinally disposed part of the housing and in tandem relation with the watthour meter and the meter socket including an indicator located adjacent the display area, a plurality of conductors connecting the blades to the jaw members, the electrical meter assembly being coupled to at least one of said conductor means to provide a power measurement on the indicator, the housing and the electrical meter assembly in said housing being located within a circumference defined by the rearward projection of the circumference of the base of the standard watthour