UL 3304 High Voltage Ignition Wire

UL 3304 High Voltage Ignition Wire — 200°C / 10,000 Vac, Silicone Rubber + Fiberglass Braid

UL AWM Style 3304 is a silicone rubber high-voltage ignition wire under UL Subject 758, Section 3. It is rated 10,000 Vac and 200°C, with extruded silicone rubber insulation at 40 mils minimum average wall and a fiberglass braid outer covering. The permitted use covers internal wiring of electronic ignition systems in gas ranges and gas or fuel oil burner systems, where the wire is protected from damage during handling, installation, and servicing.

Technical Specifications — UL Style 3304

Five Key Application Scenarios

• Residential gas range ignition leads — internal spark electrode lead wires in residential gas stoves and cooktops, connecting the electronic ignition control module to spark electrodes at each burner position. The 10,000 Vac rating covers the high-voltage pulse output of standard ignition modules; the 200°C silicone rubber insulation is suited to the elevated ambient temperatures found in the burner area.
• Commercial gas burner systems — internal high-voltage ignition leads in commercial gas range burners, wok burners, and salamander grills where both the 10kVac dielectric rating and 200°C thermal rating are required simultaneously. Wire routing must be protected from mechanical damage during installation and servicing.
• Fuel oil boiler ignition wiring — internal ignition electrode lead wires in fuel oil fired industrial boilers, where fuel oil ignition systems typically operate at higher spark energy levels than natural gas systems. The fiberglass braid outer covering provides mechanical protection during installation in boiler enclosures.
• Industrial gas-fired process equipment — ignition system wiring in industrial gas burners for drying ovens, paint curing systems, and process heating equipment where automatic re-ignition systems require UL-recognized high-voltage wire. Wire must be routed in a protected internal path within the equipment enclosure.
• HVAC gas heating unit ignition — internal spark igniter lead wiring in residential and commercial gas furnaces, rooftop heating units, and gas-fired make-up air handlers where ignition transformers output AC high voltage in the 6,000–10,000 Vac range. Confirm output voltage and waveform type before specifying.

UL 3304 vs UL 3573 vs UL 1911 — Ignition Wire Comparison

All three styles are used in high-voltage ignition applications but differ in construction, voltage type, and protection level. Selection should be based on the specific voltage type, AWG requirement, and mechanical protection needed for your application.

AC vs DC Ignition Voltage — Selecting the Right Style

Style 3304 and 3573 are rated 10,000 Vac — for ignition transformer-fed systems that output AC high voltage, the configuration typical in fuel oil burner ignition systems and most commercial gas burner applications. Style 1911 carries a DC voltage rating up to 50,000 Vdc — for electronic spark ignition modules that generate DC high-voltage pulses. Confirm the output voltage type (AC or DC) and voltage level of your ignition system before specifying a style.

Request a Quote

To receive an accurate quotation, please include the following in your enquiry: ignition system type (AC or DC), required voltage rating, AWG size, conductor type (solid / stranded / plated), insulation colour, outer covering requirement, routing condition (protected internal / conduit), quantity (metres or reels), equipment type, and end application. Minimum order: 100 m per specification. Response within 12 hours.

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