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- Arc Flash Signage
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Arc Flash Signage.
Arc flash signage is essential in high-risk electrical environments - where seconds matter and clarity saves lives. Identimark’s arc flash signs are designed to protect workers, alert emergency responders, and maintain regulatory compliance across power, gas and renewables infrastructure. Choose from our high-performance materials, including U3 - the world’s longest-lasting sign - offering 32+ years of fade-free performance, zero maintenance, and lifetime warranty. Built for harsh conditions and engineered for safety, our arc flash signage helps keep your team, site and systems protected for the long haul.
Benefits
Resilient Performance
Built tough for extreme environments; heat, UV, corrosion, and impact.
Zero Maintenance
No peeling, fading or touch-ups needed. Install once and forget.
32+ Year Lifespan
U3 signs last decades, not years - saving time, cost and compliance effort.
Fast Installation
Engineered for quick installs on fences, cabinets and critical equipment.
Fade-Free Clarity
Legible for life. UV-blocking materials retain visibility and safety messaging.
Standards Compliant
Built to AS/NZS 1319 and electrical safety standards for arc flash zones.

Options & Features
Sizes
Standard and custom options available, including large formats for roadside visibility near combiner boxes.
Material Options
- U3: Marine-grade aluminium with UV-proof resin, 40+ year lifespan
- Tefalite: Lightweight, long-lasting polymer (8–10 years)
- Unisign: Flexible, economical option for low-risk areas (3–8 years)
Mounting
Suitable for fences, switchboards, cabinets, and poles. Adhesive backing or mechanical fixings available.
Formats:
- Equipment labels
- Arc flash hazard warnings (with Cal rating, PPE requirements)
- Voltage warning signs
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Specifications
Resilient Performance
Built tough for extreme environments; heat, UV, corrosion, and impact.
Zero Maintenance
No peeling, fading or touch-ups needed. Install once and forget.
32+ Year Lifespan
U3 signs last decades, not years - saving time, cost and compliance effort.
Fast Installation
Engineered for quick installs on fences, cabinets and critical equipment.
Fade-Free Clarity
Legible for life. UV-blocking materials retain visibility and safety messaging.
Standards Compliant
Built to AS/NZS 1319 and electrical safety standards for arc flash zones.
Sizes
Standard and custom options available, including large formats for roadside visibility near combiner boxes.
Material Options
- U3: Marine-grade aluminium with UV-proof resin, 40+ year lifespan
- Tefalite: Lightweight, long-lasting polymer (8–10 years)
- Unisign: Flexible, economical option for low-risk areas (3–8 years)
Mounting
Suitable for fences, switchboards, cabinets, and poles. Adhesive backing or mechanical fixings available.
Formats:
- Equipment labels
- Arc flash hazard warnings (with Cal rating, PPE requirements)
- Voltage warning signs
U3 | Tefalite | Unisign | |
---|---|---|---|
Life Expectancy | 32+ years | 8–10 years | 3–8 years |
Impact Strength | Exceptional | Medium | Medium |
Heat Resistance | No change | Good | Peeling/warping |
UV Protection | Lifetime fade-free | Limited | Limited |
Graffiti Resistance | Easy clean, no damage | Moderate | Low |
AS/NZS 1319 Compliant | ✔️ | ✔️ | ✔️ |
FAQs.
What is arc flash signage used for?
Arc flash signage alerts workers to high-voltage electrical hazards and guides them on required PPE, helping prevent serious injury or fatal incidents.
Why choose U3 for arc flash signage?
U3 offers a lifetime guarantee and 32+ years of field-tested durability—perfect for remote or critical infrastructure where rework isn’t an option.
Is the signage compliant with Australian and New Zealand standards?
Yes. Our arc flash signs are compliant with AS/NZS 1319:1994 and relevant arc flash safety regulations.
Can I customise the size and content?
Absolutely. We offer custom sizes, labels with voltage/PPE details, and site-specific data for full compliance and clarity.
Where should arc flash signs be installed?
Signs should be placed on or near electrical cabinets, panels, combiner boxes, transformers, fences, and anywhere arc flash hazards may exist.
Explore similar products.
Ready to upgrade your arc flash safety?
Contact us to spec the right signage for your project.