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About Hazardous Location Environmental Ratings
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Explosion-Proof Ceiling Lights


Contain explosions, sparks, and flashes—the enclosure on these ceiling lights makes them safe to use in NEC Class I and II, Division 1 hazardous locations. They meet NEC hazardous location temperature classifications, so their surface stays cool enough to avoid igniting hazardous gases or dust. Designed to resist corrosion from salt water, they’re also UL marine listed. All lights have adjustable mounting brackets that can rotate 45° in either direction to direct light where you need it.
Style 1 lights are built for harsh environments, like offshore oil rigs. They have been tested to withstand vibration without breaking or shutting down. The mounting bracket matches standard bolt hole patterns.
Lights with a backup battery shine for at least 90 minutes during a power outage to comply with UL 924.
Overall | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Style | Lg. | Wd. | Ht. | Brightness, lumens | Light Appearance | Wattage | Voltage | Housing Material | Housing Color | Mounting Hardware Included | Environmental Rating | NEC Hazardous Location Temperature Classification | Specifications Met | Each | |
Built-In LED | |||||||||||||||
| 1 | 22 1/2" | 7 1/8" | 6 1/8" | 4,300 | Cool (5,000K) | 33W | 120-277V AC | Epoxy-Coated Aluminum | Gray | No | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIB, IIA IP66 NEMA 4X | T6-T5 (185° - 212° F) | UL Listed, UL Marine Listed, C-UL Listed, DLC Listed | 8257N14 | 000000000 |
| 1 | 45 3/8" | 7 1/8" | 6 1/8" | 7,600 | Cool (5,000K) | 55W | 120-277V AC | Epoxy-Coated Aluminum | Gray | No | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIB, IIA IP66 NEMA 4X | T6-T5 (185° - 212° F) | UL Listed, UL Marine Listed, C-UL Listed, DLC Listed | 8257N15 | 00000000 |
| 2 | 27 1/2" | 12" | 9" | 4,200 | Cool (5,000K) | 40W | 120-277V AC | Aluminum | __ | No | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 | T6-T3B (185° - 329° F) | UL Listed, UL Marine Listed, C-UL Listed | 8257N11 | 00000000 |
| 2 | 51 1/2" | 12" | 9" | 8,400 | Cool (5,000K) | 80W | 120-277V AC | Aluminum | __ | No | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 | T6-T3B (185° - 329° F) | UL Listed, UL Marine Listed, C-UL Listed | 8257N12 | 00000000 |
Built-In LED with Backup Battery | |||||||||||||||
| 1 | 22 1/2" | 7 3/8" | 6 5/8" | 4,300 | Cool (5,000K) | 33W | 120-277V AC | Epoxy-Coated Aluminum | Gray | No | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIB, IIA IP66 NEMA 4X | T6-T5 (185° - 212° F) | UL Listed, UL 924, C-UL Listed, DLC Listed | 8257N16 | 00000000 |
| 1 | 45 3/8" | 7 3/8" | 6 5/8" | 7,600 | Cool (5,000K) | 55W | 120-277V AC | Epoxy-Coated Aluminum | Gray | No | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIB, IIA IP66 NEMA 4X | T6-T5 (185° - 212° F) | UL Listed, UL 924, C-UL Listed, DLC Listed | 8257N17 | 00000000 |
| 2 | 51 1/2" | 12" | 9" | 8,400 | Cool (5,000K) | 80W | 120-277V AC | Aluminum | __ | No | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 | T6-T3B (185° - 329° F) | UL Listed, UL Marine Listed, UL 924, C-UL Listed | 8257N13 | 00000000 |
Explosion-Proof Linear Bay Lights
Safely light up chemical processing plants, mining operations, and other large areas where combustible gases and dust are present. These lights have an explosion-proof housing that contains sparks and flames, so they won’t react to nearby hazards. With a T4 classification, their surface temperature stays below 275° F to avoid igniting flammable substances. Because they’re totally sealed, they also work well in wet, dusty, and corrosive environments—they’re IP and NEMA rated, and UL marine listed.
Mount them to your ceiling or other surface with the included adjustable bracket. The bracket pivots, so you can aim the light where needed. To suspend them from your ceiling, combine a pendant mount and junction box (sold separately).
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Overall | Housing | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | For Ceiling Ht. | Brightness, lumens | Light Appearance | Wattage | Voltage | Light Setting | Material | Color | Mounting Hardware Included | Environmental Rating | Specifications Met | Each | |
Built-In LED | |||||||||||||||
| 11 5/8" | 11 5/8" | 9 5/8" | 12'-25' | 8,400 | Cool (5,000K) | 60W | 120-277V AC | Dimmable | Aluminum | Gray | Yes | NEC Class I Divisions 1, 2 Groups C, D NEC Class I Division 2 Groups A, B NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIB, IIA NEC Zone 21 Groups IIIC, IIIB, IIIA IP66 IP67 NEMA 4X IK08 | ETL Listed, C-ETL Listed, UL Marine Listed | 9238N11 | 0000000 |
| 11 5/8" | 11 5/8" | 9 5/8" | 12'-25' | 11,200 | Cool (5,000K) | 80W | 120-277V AC | Dimmable | Aluminum | Gray | Yes | NEC Class I Divisions 1, 2 Groups C, D NEC Class I Division 2 Groups A, B NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIB, IIA NEC Zone 21 Groups IIIC, IIIB, IIIA IP66 IP67 NEMA 4X IK08 | ETL Listed, C-ETL Listed, UL Marine Listed | 9238N12 | 000000 |
| 15 3/4" | 11 1/4" | 10" | 12'-25' | 21,000 | Cool (5,000K) | 150W | 120-277V AC | Dimmable | Aluminum | Gray | Yes | NEC Class I Divisions 1, 2 Groups C, D NEC Class I Division 2 Groups A, B NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIB, IIA NEC Zone 21 Groups IIIC, IIIB, IIIA IP66 IP67 NEMA 4X IK08 | ETL Listed, C-ETL Listed, UL Marine Listed | 9238N13 | 000000 |
Hazardous Location Ceiling and Wall Lights
Brighten chemical plants, refineries, and other facilities where flammable and combustible gases, dust, or fibers may be present in the event of a leak or ventilation failure. These lights are rated for use in NEC Class I, II, and III, Division 2 hazardous locations.
Also known as jelly jar lights, they have a heat-resistant tempered glass lens. A guard shields the lens from impacts. These lights are rated IP66 and NEMA 4X for protection from washdowns, dust, and corrosion.
Choose lights with a built-in LED bulb for energy efficiency. The bulb generates less heat than incandescent bulbs and lasts longer. Lights for incandescent bulbs have a socket for a screw-in bulb (not included).
Fastener-mount lights have holes for permanent ceiling or wall installation. Thread-on lights screw into ceiling-mounted conduit.





O'all | Housing | Mounting Holes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Ht. | Dp. | Brightness, lumens | Light Appearance | Wattage | Voltage | Material | Color | Outlet Box Dia. | For Conduit Trade Size | Thread Type | Mounting Hardware Included | No. of | Dia. | Environmental Rating | Specifications Met | Each | |
Ceiling Fastener Mount | ||||||||||||||||||
| 5" | 10 7/8" | __ | 2,200 | Cool (5,000K) | 20W | 120-347V AC | Copper-Free Aluminum | Gray | 5" | 3/4 | NPT | No | 2 | 5/16" | NEC Class I Division 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IP66 NEMA 4X IK08 | UL Marine Listed, UL Listed, CSA Certified | 1576K36 | 0000000 |
Ceiling Thread On | ||||||||||||||||||
| 5" | 10 7/8" | __ | 2,200 | Cool (5,000K) | 20W | 120-347V AC | Copper-Free Aluminum | Gray | 5" | 3/4 | NPT | No | __ | __ | NEC Class I Division 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IP66 NEMA 4X IK08 | UL Marine Listed, UL Listed, CSA Certified | 1576K37 | 000000 |
Wall Fastener Mount | ||||||||||||||||||
| 5" | 12" | 9" | 2,200 | Cool (5,000K) | 20W | 120-347V AC | Copper-Free Aluminum | Gray | 5" | 3/4 | NPT | No | 2 | 5/16" | NEC Class I Division 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IP66 NEMA 4X IK08 | UL Marine Listed, UL Listed, CSA Certified | 1576K38 | 000000 |





O'all | Housing | Mounting Holes | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Ht. | Dp. | Bulbs Included | No. of Bulbs Required | Screw-In Base Size | Max. Wattage per Bulb | Voltage | Material | Color | Outlet Box Dia. | For Conduit Trade Size | Thread Type | Mounting Hardware Included | No. of | Dia. | Environmental Rating | Specifications Met | Each | |
Ceiling Fastener Mount | |||||||||||||||||||
| 4 3/4" | 10 7/8" | __ | No | 1 | Medium (Standard Household) | 150W | 120-277V AC | Fiberglass | Gray | 4 1/2" | 3/4 | NPT | No | 2 | 5/16" | NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2 NEC Zone 2 Groups IIC, IIB, IIA IP66 NEMA 4X | CSA Certified, CSA-US Certified | 14835K96 | 0000000 |
Ceiling Thread On | |||||||||||||||||||
| 4 1/2" | 11 1/4" | __ | No | 1 | Medium (Standard Household) | 150W | 120-277V AC | Fiberglass | Gray | 4 1/2" | 3/4 | NPT | No | __ | __ | NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2 NEC Zone 2 Groups IIC, IIB, IIA IP66 NEMA 4X | CSA Certified, CSA-US Certified | 14835K95 | 000000 |
Wall Fastener Mount | |||||||||||||||||||
| 4 1/2" | 12 1/4" | 7 1/4" | No | 1 | Medium (Standard Household) | 150W | 120-277V AC | Fiberglass | Gray | 4 1/2" | 3/4 | NPT | No | 2 | 5/16" | NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2 NEC Zone 2 Groups IIC, IIB, IIA IP66 NEMA 4X | CSA Certified, CSA-US Certified | 14835K94 | 000000 |
Explosion-Proof Ceiling and Wall Lights
The enclosure on these jelly jar lights contains explosions, sparks, and flashes. These lights are safe to use in NEC Class I, II, and III, Division 1 hazardous locations. Certified to a T4 (275° F) or T5 (212° F) temperature classification, their surface stays cool enough to avoid igniting flammable material. They are also ETL and C-ETL listed to meet safety standards in the United States, Canada, and Mexico. All lights are hardwired and mount with fasteners (not included).
Lights with a built-in LED eliminate the need to swap out bulbs. They’re also more energy efficient and produce less heat than lights with an incandescent bulb. They're rated IP67 for protection against temporary submersion. Lights for incandescent bulbs are rated NEMA 4X for protection from washdowns and dust. Designed to resist corrosion from salt water, they’re also UL marine listed.


O'all | Housing | Mounting Holes | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Ht. | Dp. | Brightness, lumens | Light Appearance | Wattage | Voltage | Beam Spread | Material | Color | For Conduit Trade Size | Thread Type | Mounting Hardware Included | No. of | Dia. | Protection Type | Environmental Rating | NEC Hazardous Location Temperature Classification | Specifications Met | Each | |
Ceiling Mount | ||||||||||||||||||||
| 5 5/8" | 12 5/8" | __ | 3,750 | Cool (5,000K) | 25W | 120-277V AC | Wide | Aluminum | Gray | 3/4 | NPT | No | 4 | 13/32" | Explosion Proof | NEC Class I Divisions 1, 2 Groups C, D NEC Class I Division 2 Groups A, B NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IP67 NEMA 7 | T5 (212° F) | ETL Listed, C-ETL Listed | 9247N12 | 0000000 |
Wall Mount | ||||||||||||||||||||
| 5 5/8" | 13 5/8" | 11 7/8" | 3,750 | Cool (5,000K) | 25W | 120-277V AC | Wide | Aluminum | Gray | 3/4 | NPT | No | 4 | 13/32" | Explosion Proof | NEC Class I Divisions 1, 2 Groups C, D NEC Class I Division 2 Groups A, B NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IP67 NEMA 7 | T5 (212° F) | ETL Listed, C-ETL Listed | 9247N11 | 000000 |


O'all | Housing | Mounting Holes | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Ht. | Dp. | Bulbs Included | Number of Bulbs Required | Screw-In Base Size | Max. Wattage per Bulb | Voltage | Material | Color | Outlet Box Dia. | For Conduit Trade Size | Thread Type | Mounting Hardware Included | No. of | Dia. | Protection Type | Environmental Rating | NEC Hazardous Location Temperature Classification | Specifications Met | Each | |
Ceiling Mount | |||||||||||||||||||||
| 7 1/2" | 14 3/8" | __ | No | 1 | Medium (Standard Household) | 150W | 120-277V AC | Aluminum | Beige | 7" | 3/4 | NPT | No | 4 | 5/16" | Explosion Proof | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIB, IIA NEMA 4X | T4 (275° F) | UL Marine Listed, UL Listed, CSA Certified | 1576K13 | 0000000 |
Wall Mount | |||||||||||||||||||||
| 7 1/2" | 15 7/8" | 14 1/2" | No | 1 | Medium (Standard Household) | 150W | 120-277V AC | Aluminum | Beige | 5 1/4" | 3/4 | NPT | No | 2 | 1/4" | Explosion Proof | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIB, IIA NEMA 4X | T4 (275° F) | UL Marine Listed, UL Listed, CSA Certified | 1576K12 | 000000 |
Explosion-Proof Floodlights

Light up offshore rigs, coal mines, and other outdoor areas where gas, vapor, or dust could ignite. These lights have an enclosure that contains sparks and explosions, so they won’t react with nearby hazards. The enclosure is also rated IK10, the highest impact rating, so it can withstand heavy blows without breaking. These lights are UL marine listed, with an aluminum housing and stainless steel hardware that resist corrosion from saltwater. They’re also IP66 rated, meaning they are sealed to keep out dust and heavy rain.
Mount these lights to a wall or square pole using the included bracket. The bracket pivots, so you can aim the beam right where you need it.
Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brightness, lumens | Wattage | Voltage | Light Appearance | Light Setting | Wd. | Ht. | Dp. | Lens Material | Housing Material | Mounting Hardware Included | Environmental Rating | Specifications Met | Each | |
Built-In LED | ||||||||||||||
| 8,400 | 60W | 120-277V AC | Cool (5000K) | Dimmable | 10 5/8" | 8 5/8" | 9 1/8" | Tempered Glass | Aluminum | Yes | NEC Class I Divisions 1, 2 Groups C, D NEC Class I Division 2 Groups A, B NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IP66 IK10 | UL 844, UL Listed, C-UL Listed, UL Marine Listed | 8445N11 | 0000000 |
| 14,000 | 100W | 120-277V AC | Cool (5000K) | Dimmable | 16 1/4" | 11 3/8" | 12 5/8" | Tempered Glass | Aluminum | Yes | NEC Class I Divisions 1, 2 Groups C, D NEC Class I Division 2 Groups A, B NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IP66 IK10 | UL 844, UL Listed, C-UL Listed, UL Marine Listed | 8445N12 | 00000000 |
Explosion-Proof Emergency Backup Lights

Light the path toward exits where combustible gases and dust are constantly present—the enclosure on these lights contains sparks and flashes to prevent a reaction with nearby hazards. They’re often found in extreme environments, such as refineries and chemical plants. Because they’re totally sealed, these lights meet IP66 to withstand dust and washdowns. They’re also UL marine listed to resist corrosion from salt water. Rated IK10—the highest level of impact protection—they stand up to wear and tear.
Adjust the heads toward your walkways, and they’ll kick on when the power goes out. With a battery life of 3 hours, they meet UL 924 standards for generating at least 90 minutes of light. Press the test switch to check if the heads or battery require maintenance.
Maximum distance between lights represents how far you can space out two lights without creating a dark zone.
Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brightness, lumens | Max. Distance Between Lights, ft. | Battery Test Type | Wd. | Ht. | Dp. | Voltage | Batteries Included | Backup Battery Life, hrs. | Mounting Hardware Included | Temp. Range, °F | Environmental Rating | Specifications Met | Each | |
| 1,300 | 65 | Manual | 12" | 12 5/8" | 6 1/2" | 120-277V AC | Yes | 3 | Yes | -40° to 140° | NEC Class I Divisions 1, 2 Groups C, D NEC Class I Division 2 Groups A, B NEC Class II Divisions 1, 2 Groups E, F, G IP66 IK10 | UL 924, UL Marine Listed, ETL Listed, C-ETL Listed | 9530N101 | 000000000 |
Explosion-Proof Dock Lights

Safe to use in areas with ignitable concentrations of flammable or combustible gases, vapors, liquids, and dust, these lights are rated NEC Class I, II, and III. Their housing contains fire and sparks, so they won’t ignite what’s in your environment. They’re rated T4A, an NEC hazardous location temperature classification. This means their surface temperature stays below 248° F to prevent them from reacting with nearby flammable substances. These lights swing out from the wall, and their head tilts and swivels to illuminate loading docks and trailers. UL marine listed and NEMA 4X rated, they stand up to salt water and other corrosive liquids, and they’re sealed to withstand washdowns.
Their lens is tempered glass, so it resists scratches and impact during loading and unloading. Since the lens is clear, the lights give focused illumination that is useful for tasks and spot lighting. The LEDs emit a cool light that highlights white and blue tones and has a brighter appearance than neutral light.
Hazardous location environmental ratings indicate where manufacturers have included safety features in products to facilitate their safe use in hazardous environments. Before selecting a product for a hazardous location, ensure it is rated for your environment.
Arm | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reach | Adjustability | Head Dia. | Brightness, lumens | Voltage | Wattage | Head Material | Arm Material | Color | Environmental Rating | Specifications Met | Each | |
Built-In LED | ||||||||||||
| 26" | Horizontal | 9 13/32" | 3,800 | 120V AC-277V AC | 44W | Powder-Coated Aluminum | Powder-Coated Steel | Yellow | NEC Class I Division 2 Groups A, B; NEC Class I Divisions 1, 2 Groups C, D; NEC Class II Divisions 1, 2 Groups F, G; NEC Class III Divisions 1, 2; NEMA 4X | UL Marine Listed, UL 1598 | 9277N121 | 000000000 |































