[{"data":1,"prerenderedAt":69},["ShallowReactive",2],{"guide-ev-charging-without-service-upgrade-zh-Hant":3},{"guide":4,"related":50},{"title":5,"seoTitle":6,"description":7,"summary":8,"sections":9,"faq":25,"date":32,"service":33,"order":34,"sources":35,"slug":48,"locale":49},"毋須升級供電的電動車充電方案","電動車充電器免升級供電方案","負載分配、CT 夾動態負載管理、乾衣機插座共用裝置及合適電流的充電器：紐約市及長島毋須升級供電即可安裝充電器的方案。","全面升級供電的費用可能比充電器更高，電力公司排期亦需時數星期。不少住宅及樓宇只需採用負載管理、共用電路，或改用較低電流的充電器。先進行負荷計算，才能確定哪個方案安全可行。",[10,14,21],{"heading":11,"paragraphs":12},"先進行負荷計算",[13],"持牌總電工把家中用電高峰時的總用量相加，與供電容量比較，即可得知實際有多少安培可分配給充電器，往往比業主預期的多。",{"heading":15,"list":16},"免升級的方案",[17,18,19,20],"電流感應器（CT 夾）動態負載分配：充電器監測全屋用電，家中用電量高時自動降低充電功率，用電回落後再回升。","共用乾衣機插座：採用 UL 認證裝置，讓乾衣機與電動車共用現有 240 伏特乾衣機插座，並以乾衣機優先。","調低充電電流：24 至 32 安培已足夠大部分車輛過夜充滿。","樓宇動態負載管理：多台充電器共用一個容量上限，按車輛需求分配電力。",{"heading":22,"paragraphs":23},"何時應該升級供電",[24],"如供電只有 60 或 100 安培且已接近上限，或同時加裝熱泵、電磁爐及電動車充電器，升級供電可能才是合適的做法。估價時我們會列出兩種方案的費用，供您比較。",[26,29],{"q":27,"a":28},"乾衣機插座共用裝置是否合法？","具 UL 認證並按規範安裝的裝置屬合法。未經認證的插頭式分插器並不安全。使用前，我們會先檢查您的插座及線路。",{"q":30,"a":31},"負載管理會否減慢充電速度？","只有在家中同時大量用電時才會。過夜充電，大部分車輛仍可充滿。","2026-10-25","ev-charging",3,[36,40,44],{"title":37,"url":38,"publisher":39},"Wall Connector Power Management","https:\u002F\u002Fwww.tesla.com\u002Fsupport\u002Fcharging\u002Fwall-connector\u002Fpower-management","Tesla",{"title":41,"url":42,"publisher":43},"EV Charging","https:\u002F\u002Fwww.psegliny.com\u002Fsaveenergyandmoney\u002Fgreenenergy\u002Fev\u002Fbasics\u002Fchargingbasics","PSEG Long Island",{"title":45,"url":46,"publisher":47},"Charging Electric Vehicles at Home","https:\u002F\u002Fafdc.energy.gov\u002Ffuels\u002Felectricity-charging-home","U.S. Department of Energy, Alternative Fuels Data Center","ev-charging-without-service-upgrade","zh-Hant",[51,57,61,65],{"slug":52,"title":53,"description":54,"service":55,"date":56},"nyc-renovation-permits","紐約裝修及電力工程許可證須知","哪些裝修、電力及水喉工程需要紐約市建築局（DOB）許可證、由誰申請，以及長島的不同之處。","electrical","2026-10-24",{"slug":58,"title":59,"description":60,"service":55,"date":56},"electrical-panel-upgrade","更換電箱及供電升級的徵兆、步驟及所需時間","紐約市及長島舊屋何時需要更換電箱或升級供電、工程內容及所需時間。先進行負荷計算，可避免不必要的開支。",{"slug":62,"title":63,"description":64,"service":33,"date":56},"ev-charger-installation","紐約市及長島家用電動車充電器安裝","Level 1 與 Level 2 的分別、電箱容量、許可證、Tesla Powershare，以及紐約市及長島住宅和樓宇安裝須知。",{"slug":66,"title":67,"description":68,"service":33,"date":56},"tesla-powershare-home-backup","Tesla Powershare 電動車家居後備電力","Tesla Powershare 車輛供電至家居（V2H）需要什麼設備、與普通充電器有何不同，以及紐約市及長島所需的許可證。",1792924274663]