C9 E17 commercial stringer flat socket 16AWG 15inch spacing

C9 E17 Commercial Stringer | Heavy-Duty Outdoor String Lights

Our premium C9/E17 intermediate base commercial light strings are engineered for long-term permanent landscape and holiday decoration applications. Widely favored by wholesalers, contractors, event planners, and holiday decoration distributors worldwide, this heavy-duty light cord is compatible with all standard C9 E17 bulbs and supports customized bulb color, wattage, and coating.

Key Features

• 16AWG SPT-2 heavy-duty wire: UV-resistant outdoor wire with anti-UV coating prevents aging, cracking, and discoloration under long-term sunlight exposure
• Flat socket design: Thickened PVC lamp sockets form a tight waterproof seal to block moisture, dust, and dew
• Parallel circuit anti-burnout: If one bulb burns out or loosens, all remaining bulbs stay lit — no whole-string blackout
• End-to-end connectable: Built-in male and female plugs on both ends for connecting multiple strands to cover large areas
• 1200W max load (10 Amps): Meets US commercial electrical safety standards for large installations
• 15-inch socket spacing: Balanced density for both close-up and viewing-distance applications

Standard Size Options

Applications

Ideal for Christmas and holiday decoration, commercial building permanent lighting, resort landscape decoration, patio and garden accent lighting, shopping mall facades, and large-scale event venues. Compatible with our C9 LED SMD retrofit bulbs for energy-efficient LED upgrades.

Why Choose Andysom

Factory-direct supply with customizable wire color (green, black, brown), CE and RoHS certified, stable lead time for bulk wholesale orders. 16 years of manufacturing experience with dual-factory production (China + Vietnam). See our C7 vs C9 comparison guide to choose the right bulb size for your project.