{"title":"NEC Zone Classification (Class I, Zone 2) Lighting","description":"\u003ch3\u003eWhat NEC Zone Classification Means\u003c\/h3\u003e\n\n\u003cp\u003e\n  The National Electrical Code (NEC) offers two parallel systems for classifying Class I hazardous locations: the traditional Class\/Division system (Division 1 and Division 2), and the Zone system (Zone 0, 1, and 2), which was added to more closely align U.S. practice with the IEC Zone system used internationally. Class I Zone 1 and Class I Zone 2 apply the same underlying risk logic as Division 1 and Division 2 — how frequently a hazardous atmosphere is present — but use zone terminology and, in some cases, different equipment protection concepts.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  A facility can choose either system, but generally shouldn't mix them within the same hazardous area — consistency in classification approach across a site's documentation and equipment simplifies both compliance review and future maintenance.\n\u003c\/p\u003e\n\n\u003ch3\u003eNEC Zones vs. NEC Divisions\u003c\/h3\u003e\n\n\u003cp\u003e\n  Both systems classify the same underlying hazard, using different frameworks:\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass I Division 1 \/ Division 2\u003c\/strong\u003e use the traditional NEC framework, historically the default choice for U.S. facilities.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass I Zone 1 \/ Zone 2\u003c\/strong\u003e use the newer NEC Zone framework, which more closely mirrors the IEC Zone system used internationally — often preferred by companies standardizing equipment and documentation across U.S. and international facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n  Class I Zone 1 roughly corresponds to Class I Division 1, and Class I Zone 2 roughly corresponds to Class I Division 2, though the equipment protection concepts recognized under each system aren't always identical.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhere NEC Zone Classification Is Used\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultinational companies standardizing across U.S. and international facilities\u003c\/strong\u003e — using Zone terminology consistently across all sites\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFacilities specified by engineers trained on IEC-style Zone classification\u003c\/strong\u003e — common with international engineering firms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil, gas, and chemical facilities with global operations\u003c\/strong\u003e — where Zone terminology may already be standard practice\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChoosing Between Zones and Divisions\u003c\/h3\u003e\n\n\u003cp\u003e\n  Confirm which system your facility's existing documentation, equipment, and engineering team already use — switching systems mid-facility adds complexity without a safety benefit. New facilities or those standardizing with international operations may prefer the Zone system; facilities with an established Division-based equipment base typically stay with Divisions.\n\u003c\/p\u003e","products":[{"product_id":"block-h1","title":"BLOCK H1 Series","description":"\u003ch2\u003eExplosion-Proof Flood \u0026amp; High Bay Lighting Built for Class I Div 1\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eFacilities that can't risk an ignition source need a fixture engineered from the ground up for Class I Division 1 — the Block H1 Series delivers that protection with industry-leading efficacy.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for hazardous and corrosive environments, the upgraded Block H1 Series delivers high-performance illumination with enhanced thermal management and expanded mounting flexibility for retrofit and new installations. At 146 lumens per watt, it's certified for explosion-proof use where flammable gases, vapors, and combustible dusts are present — including oil and gas rigs, petrochemical plants, and other hazardous corrosive facilities.\u003c\/p\u003e\n\u003cp\u003eRugged construction, separated LED and driver chambers, and superior heat dissipation ensure reliable operation in the most demanding industrial applications, with an L70 rated life exceeding 121,000 hours at 140°F.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Hazardous Location Design:\u003c\/strong\u003e Copper-free aluminum housing with stainless steel hardware built to resist corrosion, vibration, water, and dust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Heat Dissipation:\u003c\/strong\u003e Separated LED and driver chambers with external cooling fins for reliable performance up to +140°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Fixture Life:\u003c\/strong\u003e L70 \u0026gt;121,000 hours @140°F for dependable operation and reduced maintenance costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpanded Mounting Options:\u003c\/strong\u003e Now available in Pendant, Yoke, Pole, Ceiling, Stanchion, and Wall configurations for easier retrofit and new installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Specify the Block H1 Series\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCertified for Class I Division 1 \u0026amp; 2 and Zone 1 \u0026amp; 2 — one fixture covers more of the site\u003c\/li\u003e\n\u003cli\u003e146 lm\/W efficacy cuts energy costs versus legacy HID fixtures\u003c\/li\u003e\n\u003cli\u003e10-year LED \/ 7-year driver warranty with factory replacement\u003c\/li\u003e\n\u003cli\u003eSix mounting configurations reduce SKU complexity for engineers and buyers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Red Sky Lighting","offers":[{"title":"Default Title","offer_id":54355073859897,"sku":"BLK2 H1","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4040\/3513\/files\/01-Cover-1.jpg?v=1787358187"},{"product_id":"block-h2-series","title":"BLOCK H2 Series","description":"\u003ch2\u003eDurable, Versatile LED Lighting for Class I Division 2 Zones\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eFor facilities where flammable gases or dust are a possibility rather than a constant, the Block H2 Series delivers explosion-proof-grade durability at Division 2 pricing and flexibility.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned to withstand hazardous environments, the Block H2 Series excels with a luminous efficacy of 146 lumens per watt. It's certified for use in hazardous locations requiring explosion-proof fixtures where flammable gases, vapors, and combustible dusts are present — common in oil and gas rigs, petrochemical plants, and other hazardous corrosive facilities.\u003c\/p\u003e\n\u003cp\u003eBuilt-in 10kV surge protection enhances safety and working conditions, while a dimmable driver helps reduce light pollution and save on energy costs. A self-contained LED and driver compartment with external cooling fins ensures reliable heat dissipation from -40°F to 140°F, and a rugged copper-free aluminum body and frame provide superior corrosion resistance for long-lasting durability.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e Built to withstand extreme temperatures, vibration, water, and dust. Copper-free aluminum body and frame for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Heat Dissipation:\u003c\/strong\u003e Safe and reliable heat transfer offering a T-rating of T4A (CID2, CIID2), performing from -40°F to +140°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Optic Options:\u003c\/strong\u003e 25°\/60°\/120° available for different applications from spot to flood for optimal light distribution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Specify the Block H2 Series\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e121,000-hour LED fixture life at 140°F guarantees long-term operation\u003c\/li\u003e\n\u003cli\u003e10kV built-in surge protection improves site safety\u003c\/li\u003e\n\u003cli\u003eDimmable driver lowers energy costs and light pollution\u003c\/li\u003e\n\u003cli\u003e10-year warranty with factory replacement\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Red Sky Lighting","offers":[{"title":"Default Title","offer_id":54355074318649,"sku":"BLK2 H2","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4040\/3513\/files\/01-Cover-BLK2-H2_BAA.jpg?v=1787358201"},{"product_id":"block-mini-h1-series","title":"BLOCK MINI H1 Series","description":"\u003ch2\u003eCompact Explosion-Proof LED for Class I Division 1 Tight Spaces\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eConfined hazardous areas rated for the most stringent Division 1 classification need a fixture that's both compact and factory-sealed — the Block Mini Series H1 was designed for exactly that.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eBlock Mini Series H1 (BLM2 H1) is a compact, explosion-proof LED luminaire engineered for hazardous location applications requiring high reliability, long service life, and simplified installation. It's certified for Class I Division 1 and Division 2 environments, as well as Zone 1 and Zone 2 locations, where flammable gases, vapors, or combustible dusts may be present.\u003c\/p\u003e\n\u003cp\u003eDesigned with a factory-sealed housing and advanced thermal management system, the BLM2 H1 operates safely in high ambient temperatures up to 65°C (149°F) while maintaining consistent light output and extended lifetime. Its compact and lightweight construction makes it well suited for low mounting heights and space-limited installations.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, Factory-Sealed Design:\u003c\/strong\u003e Compact and lightweight construction with factory-sealed housing eliminates the need for external sealing fittings in Groups B, C, and D, simplifying installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Efficiency with Long Service Life:\u003c\/strong\u003e Delivers up to 8,100 lumens with efficacy up to 140 lm\/W. Advanced thermal management provides L70 rated life up to 219,000 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpanded Mounting Options:\u003c\/strong\u003e Now available in Pendant, Yoke, Pole, Ceiling, Stanchion, and Wall configurations for easier retrofit and new installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Specify the Block Mini Series H1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCertified for the most stringent Class I Division 1 hazardous locations\u003c\/li\u003e\n\u003cli\u003eFactory-sealed housing eliminates external sealing fittings for Groups B, C, D\u003c\/li\u003e\n\u003cli\u003eL70 life up to 219,000 hours — among the longest in its class\u003c\/li\u003e\n\u003cli\u003eCompact footprint fits low mounting heights and space-constrained sites\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Red Sky Lighting","offers":[{"title":"Default Title","offer_id":54355075793209,"sku":"BLM2 H1","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4040\/3513\/files\/01-Cover-BLK-H1.jpg?v=1787358255"},{"product_id":"block-mini-h2-series","title":"BLOCK MINI H2 Series","description":"\u003ch2\u003eCompact C1D2 LED with Multiple Mounting Options\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eSpace-constrained Division 2 areas call for a fixture that installs anywhere and keeps running — the Block Mini Series H2 combines a compact footprint with factory-sealed reliability.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Block Mini Series H2 is a compact and powerful LED luminaire certified for hazardous locations up to Class 1 Division 2 — areas with the potential for ignitable concentrations of flammable gases, vapors, or liquids under abnormal operating conditions.\u003c\/p\u003e\n\u003cp\u003eThe factory-sealed Block Mini H2 eliminates the need for external sealing fittings, simplifying installation and maintenance. Its exceptional thermal management system offers a T6 temperature rating and is engineered to perform reliably in high ambient temperatures up to 149°F, providing an impressive L70 rating of over 219,000 hours. Compact and lightweight, it's easy to handle and install, making it ideal for applications with limited space and low mounting heights.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Safe and reliable heat transfer, offering a T-rating of T6 (CIID1). Heat sink designed to perform in high ambient temperatures up to +149°F. L70 \u0026gt;219,000 hours@149°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and Light Weight Design:\u003c\/strong\u003e For easy handling, especially when access to limited space with low mounting heights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 Mounting Options:\u003c\/strong\u003e Pendant, Yoke, Ceiling, Stanchion, and Wall.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Specify the Block Mini Series H2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-sealed design removes external sealing fitting requirements\u003c\/li\u003e\n\u003cli\u003eClear, diffused, and Type 2\/3 lens choices customize light distribution\u003c\/li\u003e\n\u003cli\u003eL70 life over 219,000 hours minimizes lifecycle maintenance cost\u003c\/li\u003e\n\u003cli\u003e10-year warranty backing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Red Sky Lighting","offers":[{"title":"Default Title","offer_id":54355076317497,"sku":"BLM H2","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4040\/3513\/files\/01-BLM-H2-Cover.jpg?v=1787358268"},{"product_id":"linear-series","title":"LINEAR Series","description":"\u003ch2\u003eMaintenance-Free Linear LED Lighting for Class I Division 2 Areas\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRetrofitting fluorescent linear fixtures in a hazardous area shouldn't mean sacrificing efficacy — the Linear Series delivers 147,000+ hours of reliable output at up to 150 lm\/W.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eWith its rugged, copper-free aluminum construction, the Linear Series is rated for hazardous environments up to Class I Division 2, protecting against combustible dust, gases, and vapors. Its maintenance-free design ensures over 147,000 hours of reliable light output at temperatures up to 149°F (65°C), while operating reliably as low as -40°F (-40°C).\u003c\/p\u003e\n\u003cp\u003eA dimmable 1-10V driver and luminous efficacy up to 150 lumens per watt help maximize energy savings without compromising illumination levels. A built-in wiring compartment with three 3\/4\" NPT conduit entries and WAGO connectors simplifies installation, and an optional bracket allows for simple retrofits of existing fixtures.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy and Through Wiring:\u003c\/strong\u003e Built-in wiring compartment with three NPT 3\/4\" entries and WAGO 221 lever connectors for easy wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Mounting Options:\u003c\/strong\u003e Pendant, Yoke, Chain, Pole, and Stanchion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e Built to withstand extreme temperatures, vibration, water, and dust. Copper-free aluminum body and frame for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Fixture Life:\u003c\/strong\u003e L70 \u0026gt;147,000 hours@149°F. Maintenance-free and safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Specify the Linear Series\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptional retrofit bracket simplifies replacing legacy fluorescent fixtures\u003c\/li\u003e\n\u003cli\u003eDimmable 1-10V driver maximizes energy savings\u003c\/li\u003e\n\u003cli\u003e10-year LED \/ 7-year driver warranty\u003c\/li\u003e\n\u003cli\u003eDLC Standard qualified on select configurations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Red Sky Lighting","offers":[{"title":"Default Title","offer_id":54355078840633,"sku":"LNR2","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4040\/3513\/files\/01-FEL-E_R051.jpg?v=1787358345"},{"product_id":"linear-emergency-series","title":"LINEAR EMERGENCY Series","description":"\u003ch2\u003e90-Minute Battery Backup Linear LED for Hazardous Locations\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eWhen the power goes out in a hazardous area, workers need instant, code-compliant emergency light — the Linear Emergency Series delivers 90 minutes of backup without any compromise on daily performance.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Linear Emergency Series keeps hazardous locations safe and illuminated when the power goes out, delivering up to 150 lm\/W system efficacy with a 90-minute emergency runtime at 12W rated load and a 24-hour charge time.\u003c\/p\u003e\n\u003cp\u003eIts wide ambient temperature range of 0°C to 50°C and instant on\/off operation ensure safe, reliable performance, with shock- and vibration-resistant, solder-less board construction and stainless steel 316 fasteners throughout.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest-in-Class System Efficacy:\u003c\/strong\u003e Up to 150 Lm\/W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge, Reliable Backup:\u003c\/strong\u003e Charge time 24h, emergency run time 90 mins, rated load 12W in emergency mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Ambient Temp Range:\u003c\/strong\u003e 0°C to +50°C (32°F to +122°F).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant On\/Off Operation:\u003c\/strong\u003e With shock- and vibration-resistant, solder-less board connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Specify the Linear Emergency Series\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL924 emergency and UL844 hazardous-location certified\u003c\/li\u003e\n\u003cli\u003eSlim, compact design fits the same footprint as the standard Linear Series\u003c\/li\u003e\n\u003cli\u003e10-year LED \/ 7-year driver \/ 3-year battery warranty\u003c\/li\u003e\n\u003cli\u003eSuitable for petrochemical facilities, drilling rigs, platforms, and tunnels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Red Sky Lighting","offers":[{"title":"Default Title","offer_id":54355079299385,"sku":"LNR EM","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4040\/3513\/files\/01-FEL-E-EM_R008.jpg?v=1787358356"},{"product_id":"linear-tuff-series","title":"LINEAR TUFF Series","description":"\u003ch2\u003eRobust Linear LED for Class I Division 1 Tough Environments\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003ePetrochemical facilities, oil rigs, and mines demand a linear fixture rated for the most stringent Division 1 classification — the Linear Tuff Series is built to deliver zero-maintenance performance there.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Linear Tuff Series is a versatile linear LED fixture designed to withstand the most demanding industrial environments. Available in durable 2-foot and 4-foot lengths, it offers high luminous efficacy of up to 150 lumens per watt along with a retrofit bracket for improved compatibility.\u003c\/p\u003e\n\u003cp\u003eBuilt with a rugged, copper-free aluminum body and frame, the Linear Tuff can handle extreme temperatures from -40°F to +140°F along with vibration, water, and dust. Its optimized heat sink and thermal management ensure safe, reliable heat dissipation, even in hazardous locations classified as Class 1 Division 1.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Safe and reliable heat transfer, offering a T-rating of T6 (CID1).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Fixture Life:\u003c\/strong\u003e L70 \u0026gt;147,000 hours@140°F. 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