Duffy Electrician is the best choice for electrical work and repair. We provide electrical installation, repair, and maintenance in NYC for any kind of electrical system or household. We are open 7 days a week for your convenience. We opened our service back in 1999 and offer nearly two decades of proven certified electrical experience! Emergency and holiday services are available. Electric Companies & Wire Installation, , Electricians, Lighting Contractors, Lighting Fixtures, Building Contractors, Electric Contractors-Commercial & Industrial, Electrical Engineers. Available from Monday - Sunday from 7:00 AM to 8:00 PM - Visa, Amex, MasterCard, Discover Card, Cash, & Checks accepted.