Fire Resistant Mica Wire GN500
Part No. SW-GN500-18-500
Fire-resistant wire with mica tape and fiberglass braid rated for 500°C, maintains circuit integrity during fire conditions.
Conductor
18 AWG
Voltage
500V
Ampacity
10A @ 500°C
Temperature
500°C
Technical Specifications
| Conductor | Nickel-Plated Copper Stranded |
| Insulation | Mica Tape with Fiberglass Braid |
| Gauge | 18 AWG |
| Voltage Rating | 500V |
| Temperature Rating | 500°C |
| Ampacity | 10A @ 500°C |
| Color | Natural/White |
| Packaging | 500 ft Reels |
| Fire Rating | Up to 3 hours |
Construction
Conductor
Nickel-Plated Copper Stranded, sized 18 AWG to deliver 10A of continuous ampacity.
Insulation
Mica Tape with Fiberglass Braid, rated to 500°C and 500V.
Outer Jacket
Integrated with the Mica Tape with Fiberglass Braid system — sized to protect the 18 AWG conductor through 500°C thermal cycling in fire alarm systems.
Finished Dimensions
Natural/White jacket, supplied on 500 ft Reels.
Applications
Common Questions
What is the minimum order quantity and lead time?
Minimum order quantity is 500 ft. In stock — typical lead time 7-10 business days. Large-volume and OEM programs may qualify for reduced minimums and blanket order pricing.
What certifications and documentation are provided?
This product carries UL Listed, IEC 60331 Certified, BS 6387 CWZ, RoHS Compliant certifications and complies with GN500, IEC 60331, BS 6387. Every shipment includes a Certificate of Compliance. UL yellow cards, RoHS/REACH declarations, production test reports, and full batch traceability are available on request.
Can this cable be used outdoors or in extreme temperatures?
Rated 500°C. For outdoor or UV-exposed installations, specify the UV-resistant formulation. Beyond the rated temperature range, silicone (high heat) or TPE (cold flex) alternatives are available — contact us with your environmental parameters.
Do you offer custom lengths, colors, or configurations?
Yes. Custom jacket colours (2,500 ft min), custom print legends, gauge changes, shielding, and multi-conductor assemblies are available. OEM programs with blanket orders can negotiate minimums below the standard threshold. Send requirements to engineering@shanghaiunicorncable.com.
Ready to Order Fire Resistant Mica Wire GN500?
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