If you need to illuminate a larger space, no problem. You can connect as many as 12 of these attractive light strings end to end when you use the energy-saving LED bulbs we include with each set.Fantado® Commercial Grade Quality Our new high-quality outdoor string lights are made for looks and are made to survive the elements:Conforms to SJTW standard - Round hard service cord. Thermoplastic constructed jacket. 300 volt, weather resistant for outdoor use.PVC socket forms a tight weatherproof seal around the bulb.Extension socket has a weatherproof end-cap.Each socket has its own secure hanging hook/hole.14 AWG - Thick Gauge Wire. UL Listed for Canada and USA.Product Specifications:# of Sockets: 15Socket Type/Size: Standard A Type E26Cord Length: 48FTSpacing Between Sockets: 36"On/Off Switch?: NoDrop Distance: 3" (To Bottom of Socket)Cord Color: BlackSuitable Environment: Indoor / Outdoor (Commercial Quality - Great For Permanent Installation)Included Bulbs: Shatterproof S14 Cool White LED BulbsBulb Wattage: 15x 0.7-Watts (1440W Max)Power Connection: 2-Prong Plug-InExpandable End-To-End?: YesEnd-To-End Connection Limit: Up to 12 Cords Total (when used with included Bulbs)Wiring Type: Parallel - Other bulbs stay lit if one goes outWire Gauge: 14 Gauge (AWG)WeatherProof?: Yes, Rain Resistant. PVC socket forms a tight weatherproof seal around the bulb.Voltage: 120VUL Listed: Yes