ANSI/ISEA 107 Visibility, Arc-Rated to CAT 4
Dual-Rated FR Hi-Vis Jackets for Transmission, Mining & Construction
When the outer layer is the only thing visible, it has to carry every rating at once. This collection covers transmission, mining, and roadside construction roles with dual-rated FR hi-vis outerwear spanning CAT 2 through CAT 4 in ANSI/ISEA 107 Type R Class 2 and Class 3 — selected by work zone and hazard assessment, with flame resistance engineered to withstand repeated industrial laundering per manufacturer care instructions. Browse: FR Hi-Vis Shirts, FR Hi-Vis.
High Arc-Flash Ratings for Transmission & Substation Work
Transmission-level electrical work and substation switching can require NFPA 70E CAT 3 or CAT 4 protection at 25 cal/cm² or higher. Bulwark FR Hi-Vis Jackets span CAT 2 through CAT 4, with ANSI/ISEA 107 Type R Class 2 and Class 3 visibility built into the outer garment — so transmission and switching roles keep the required arc-flash protection without adding a separate FR hi-vis vest layer.
Weather-Resistant FR Hi-Vis Outerwear for Outdoor Field Conditions
Outdoor transmission, mining, and construction crews face weather exposure alongside thermal and arc-flash hazards. Bulwark FR Hi-Vis Jackets use DWR weather-resistant finishes and include bomber, rainwear, and insulated fleece styles that provide wind and moisture protection without compromising NFPA 2112 or ANSI/ISEA 107 compliance. Style selection follows the temperature range and weather conditions at the site.
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What arc rating do Bulwark FR Hi-Vis jackets carry? +
Outerwear here spans NFPA 70E CAT 2 through CAT 4 (category minimums of 8, 25, and 40 cal/cm²). The style's ATPV appears on its product page, and the arc-flash risk assessment governs which category the task demands.
Are Bulwark FR Hi-Vis jackets NFPA 2112 certified? +
Yes. Bulwark FR Hi-Vis jackets are certified to NFPA 2112 for flash-fire protection. They use inherent Nomex® Essential and FR-treated fabrics — the treated fabrics warranted by Bulwark to remain flame-resistant when laundered per manufacturer care instructions — with both hi-vis fabric and retroreflective tape tested as part of the certified garment.
What ANSI/ISEA 107 class do FR Hi-Vis jackets meet? +
Bulwark FR Hi-Vis Jackets are available in ANSI/ISEA 107 Type R Class 2 and Class 3 configurations. Class 3 provides greater visibility coverage and is required for high-speed roadway and high-exposure environments. The employer's visibility plan determines which class is appropriate.
What FR Hi-Vis jacket styles are available? +
Bulwark FR Hi-Vis Jackets include bomber jackets, rainwear and wind-resistant styles, FR hi-vis fleece, and FR hi-vis vests for warmer conditions — with per-style arc ratings on the product pages. All styles carry ANSI/ISEA 107 Type R compliance and NFPA 2112 certification.
Can I wear a non-FR hi-vis jacket over my FR shirt? +
No. NFPA 70E and NFPA 2112 require all outer garments in arc-flash and flash-fire environments to be flame-resistant. A non-FR polyester hi-vis jacket is not compliant, even over an FR inner layer. Bulwark FR Hi-Vis Jackets provide compliant outer-layer protection that integrates visibility and flame resistance.
Are FR Hi-Vis jackets suitable for cold-weather outdoor work? +
Yes. Bulwark FR Hi-Vis Jackets include insulated and weather-resistant styles designed for cold-weather outdoor work. FR hi-vis fleece and insulated bomber styles carry NFPA 2112 certification and ANSI/ISEA 107 compliance, with arc-rated styles for outdoor transmission and mining environments in cold conditions.
Content on this page is provided for general information only and may contain errors or omissions; it is not safety or compliance advice. All certifications, arc ratings (ATPV), warranties, and product descriptions are the manufacturer’s — always verify specifications against current manufacturer documentation and product labels before final PPE decisions. Garment selection must be based on a qualified hazard assessment per NFPA 70E and NFPA 2112, and real-world protection depends on proper selection, fit, care, and use within your employer’s PPE program. Copperstone Workwear is an authorized Bulwark FR distributor. Page content © Copperstone Workwear; unauthorized reproduction is prohibited.
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