作者: James J. Hornsby , Donald F. Lamar , Spencer L. Mackay
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摘要: A combination enclosure and electrical apparatus (108) includes an electronic control circuit (109) which provides multiple modes of operation electrically operated devices connected thereto. The is to a power supply (110), such as common residential alternating current source, receptacles (30) for connecting the be controlled thereby. disposed intermediate controls with powering devices. rotary switch (32) permits user select from preselected operation, are stored or effected by circuit, effect desired