Among the standards most recently published were IEEE 1250, 1159, 1159.3 and 1889, Guide for Evaluating and Testing the Electrical Performance of Energy Saving Devices. The first three were revisions to existing standards, though substantial changes were incorporated. IEEE 1889 deserves special attention because not only is this a new standard, but it also takes on a challenging and difficult topic-how to tell if the energy-saving claims of vendors of energy-saving devices (ESD) really save energy, with the focus on electrical ESDs. Don't confuse ESD of energy-savings devices with ESD of electrostatic discharge.
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