This code establishes acceptable performance criteria for new types of ac watthour meters@ demand meters@ demand registers@ pulse devices@ and auxiliary devices. It describes acceptable in-service performance levels for meters and devices used in revenue metering. It also includes information on related subjects@ such as recommended measurement standards@ installation requirements@ test methods@ and test schedules. This Code for Electricity Metering is designed as a reference for those concerned with the art of electricity metering@ such as utilities@ manufacturers@ and regulatory bodies.