[{"data":1,"prerenderedAt":88},["ShallowReactive",2],{"guide-electrical-panel-upgrade-zh-Hant":3},{"guide":4,"related":70},{"title":5,"seoTitle":6,"description":7,"summary":8,"sections":9,"faq":36,"cta":43,"date":45,"updated":46,"service":47,"order":48,"sources":49,"slug":68,"locale":69},"紐約市及長島住宅的電箱更換與供電升級","更換電箱及供電升級｜紐約市及長島","紐約市及長島的舊屋何時需要更換電箱或升級供電，工程包括哪些內容，以及所需時間。","經常跳閘、仍使用保險絲，或準備加裝電動車充電器、熱泵或新廚房，應先檢查電箱及供電容量。更換電箱一般一天內完成；供電升級還須視乎電力公司的排期。",[10,18,23,32],{"heading":11,"list":12},"需要處理的徵兆",[13,14,15,16,17],"多件電器同時使用時跳閘或燒斷保險絲","電箱發熱、有嗡嗡聲，或有生鏽、燒焦痕跡","現有供電為 60 或 100 安培，並計劃增設大型電器","屬於檢驗人員或保險公司特別關注的舊型號電箱；Federal Pacific、Zinsco 及 Challenger 電箱不論容量如何都須更換","電箱已無空位，無法增加新電路",{"heading":19,"paragraphs":20},"更換電箱與升級供電的分別",[21,22],"更換電箱是在供電容量不變的情況下更換斷路器箱。供電升級（例如由 100 安培升至 200 安培）則須一併更換入戶電纜及電錶座，一般亦包括接地系統（水管跨接及接地棒）。在紐約市，Con Edison 會在訂購電錶設備前發出[供電佈置方案](https:\u002F\u002Fwww.coned.com\u002Fen\u002Fsmall-medium-size-businesses\u002Fbuilding-project-center\u002Fgas-and-electric-service-update-guide)（service layout）；即使在同一供電下只更換電箱，剪開電錶封條前亦須通知 Con Edison。","[負荷計算](\u002Fguides\u002Fny-electrical-service-size-100a-200a)會把現有及計劃新增的用電負荷合併計算，從而判斷需要哪一種工程。",{"heading":24,"list":25},"步驟",[26,27,28,29,30,31],"上門查看及負荷計算","書面估價","由持牌總電工[申請電力許可證](https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Felectrical-permit.page)；紐約市的工程按以 2020 年版 NEC 為基礎的[《2025 年紐約市電氣規範》](https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fcodes\u002Felectrical-code.page)檢驗","[供電升級須向電力公司申請](https:\u002F\u002Fwww.psegliny.com\u002Fen\u002Fbuildingrenovationservices\u002Fupgradeorchangeservice)（Con Edison 或 PSEG Long Island）","施工，通常需短暫停電","檢驗；供電升級另須由電力公司重新接電",{"heading":33,"paragraphs":34},"所需時間",[35],"單純更換電箱，許可證批出後一般一天內完成。供電升級需時較長，因電力公司須安排其負責的工序，可能要等候數星期。如計劃[加裝電動車充電器](\u002Fguides\u002Fev-charger-installation)或熱泵，宜提早安排。",[37,40],{"q":38,"a":39},"施工期間是否需要停電？","需要，當天會停電一段時間。停電時段會事先與您約定，大部分更換電箱工程可於當天恢復供電。",{"q":41,"a":42},"更換電箱是否需要許可證？","需要。在紐約市及長島，電箱及供電工程均須申請電力許可證並通過檢驗。",{"text":44},"請提供打開箱門的電箱相片及電錶相片、最近一期電費單，以及計劃加裝的大功率電器。我們將提供免費書面估價，在兩者均適用時為[更換電箱與供電升級](\u002Fservices\u002Felectrical)並列報價。負荷計算屬於簽約工程的一部分。","2026-10-24","2026-10-25","electrical",2,[50,54,58,62,65],{"title":51,"url":52,"publisher":53},"Electrical Permit","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Felectrical-permit.page","NYC Department of Buildings",{"title":55,"url":56,"publisher":57},"Gas and Electric Service Update Guide","https:\u002F\u002Fwww.coned.com\u002Fen\u002Fsmall-medium-size-businesses\u002Fbuilding-project-center\u002Fgas-and-electric-service-update-guide","Con Edison",{"title":59,"url":60,"publisher":61},"Upgrade or Change Service","https:\u002F\u002Fwww.psegliny.com\u002Fen\u002Fbuildingrenovationservices\u002Fupgradeorchangeservice","PSEG Long Island",{"title":63,"url":64,"publisher":61},"Codes & Specs for Electric Installation","https:\u002F\u002Fwww.psegliny.com\u002Fen\u002Fbuildingrenovationservices\u002Fcodesandstandards",{"title":66,"url":67,"publisher":53},"Electrical Code","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fcodes\u002Felectrical-code.page","electrical-panel-upgrade","zh-Hant",[71,75,79,83],{"slug":72,"title":73,"description":74,"service":47,"date":45,"updated":46},"nyc-renovation-permits","紐約市裝修、電力及水喉工程的許可證","哪些裝修、電力及水喉工程需要紐約市屋宇局（DOB）許可證、由誰申請，以及長島的不同之處。",{"slug":76,"title":77,"description":78,"service":47,"date":46,"updated":46},"ny-electrical-service-size-100a-200a","紐約住宅何時需要 200 安培供電","按 NEC 220.83 及 220.87 進行負荷計算：100 安培何時仍然足夠、何時需要 200 安培，以及 Con Edison 與 PSEG Long Island 的升級程序。",{"slug":80,"title":81,"description":82,"service":47,"date":46,"updated":46},"bidirectional-charging-ready-renovation","裝修時為雙向電動車充電預留線路","2026 年所有 V2H 系統均按品牌綁定。紐約市及長島裝修時應預留的喉管、電箱空位、後備分電箱，以及須留意的認證。",{"slug":84,"title":85,"description":86,"service":47,"date":46,"updated":87},"business-continuity-new-location","規劃新營業地點，在停電斷網期間維持營業","紐約市及長島新店裝修期間，規劃不同路徑的第二條網絡線路、設互鎖裝置的發電機或電池接駁插座、冷氣滴水管路走向，以及削減用電高峰。","2026-10-26",1793066393443]