Unverified80% confidenceTradeoffTime unknown
智能插座自身待机功耗约0.3W~1W，全屋部署20个即全年多耗电50~175度，长期常开的设备（如冰箱）不必用智能插座，反而增加无谓待机损耗
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80%
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Long-term
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Unverified带计量功能的智能插座本身待机功耗约0.5-1W，长期插着一年也会消耗数度电，对追求极致省电的场景需权衡监测收益与自身能耗86% similarUnverified带电量统计的插座通常自身待机功耗约0.5-1W，多个长期插着会有微量固定耗电，纯开关不计量的型号待机功耗更低83% similarUnverified选择智能电表时额定电流应按最大负载的1.25倍冗余，家用单相电表选5(60)A或10(80)A规格，全屋大功率电器（空调+烘干机+电磁炉同开）需选10(100)A以上82% similarUnverified智能插座额定功率需覆盖负载功率并留20%余量：接1500W取暖器/电水壶应选≥2500W(10A/16A规格)插座；空调、烤箱等大功率设备必须选16A专用插座(≥3520W)，切勿用10A插座转接81% similarUnverified带Wi-Fi联网功能的智能插座式功耗仪自身待机功耗约0.5-1.5W，长期插着一年额外耗电约4-13kWh；纯本地显示型仪表自身功耗通常<0.3W81% similar
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