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ATEX and IEC Ex Flame-proof Explosion Proof Lighting & Equipment
Explosion Proof Lights
Explosion Proof Motors - Motors for Hazardous Locations
Industrial and Vaporproof Emergency Failsafe Lighting
Industrial Cord Reels and Tool Taps
Industrial Work Area Heaters
Machine Vision Lights
QC Series Industrial Portable Lighting - Quick Change Mount
Rig Lights
Stadium lights
String Lights and Temporary Light Stringers
Tank Cleaning Lights
Three Phase Motor Soft Starters
Vapor Proof LED Lights
Variable Frequency Drives (VFDs)
Vehicle Mounting Plates
Workboat Light Fixtures & Lighting Equipment
Yacht Engine Room Lights
Color Changing LED RGB Lighting
Explosion Proof Cord Reels
GOLIGHT Spotlights
Larson FUTURE - Lease Lighting
Remote Area Lighting and Scene Lights
Utility Bucket Mount, Receiver Hitch & Trailer Mount Lighting
Aevum Control Lighting and Equipment - IIoT
Butane and Solvent Extraction Room Lighting and Equipment
DC to DC Transformers and Power Supplies
Explosion Proof Fans & Blowers
Explosion Proof Paint Spray Booth Approved Lights
Explosion Proof String Lights
Explosion Proof Switchgear & Controls
Fleet Service Lights and Lighting Equipment
Industrial Equipment Trailers
Industrial Handlamps & Droplights
ISO 14644/FS-209E Clean Room Lighting
LED Blasting Lights
Night Time Fishing Lights
Portable AC Power Supply Units
Portable Power Distribution Panels
Power Distribution Panels with KVA Transformers
Self-Contained Lighting
Service Pit Lighting
Solar Generators & Solar Powered Lighting
Agricultural Farm Equipment Lighting & Beacons
Explosion Proof Cameras & Surveillance Systems
Explosion Proof Emergency Lights
Explosion Proof Heaters
Garage & Gas Station Canopy Lights
LED Grow Lights
LED Lights
NDT Ultraviolet Lights
Portable Hazardous Location Lighting
Radio Communication Towers and Equipment
Salt Water Processing Equipment
Shelter & Tent Lighting
Thermal Monitoring Cameras and Systems
48V LED Equipment Lights
ATEX Rated Explosion Proof Lights
Automotive Lighting
Class Rated Signals, Alarms, and Systems
Hazardous Location Area Lights and Portable Lighting
HID Equipment Lights
Hot Work Permit Lighting and Equipment
Hunting Lights
Industrial lasers
Industrial Transformers
Light Towers
Outdoor Lighting
Remote Security and Surveillance Systems
Temporary Construction Lights
Vehicle Mounted Spotlights
Equipment & Heavy Machinery LED Light Package Fitouts
Phase Converters - Single to Three Phase
Marine Shore Power Cords and Equipment
24 Volt Military Lights
Disaster Relief / First Responders / Search & Rescue Lighting
Plastic Handcuff Key
110/120 Volt Flood Lights
Post Mount Spotlights
Magnetic Work Lights
Crank-up Light Masts
Intrinsically Safe Lights
Military Flashlights
LED Waterproof Lanterns
Work Area Lights
12 Volt Flood Lights
Boat Spotlights
New Boat Lights
HID Boat Lights
Boat Dock Lights
Remote Control Lights
Control Lights
Tow Lights
Magnetic Control Lights
NEW Lights and New Products
Evaporative Coolers
Police Equipment
AC/DC Transformers
Power Supplies
Military Spotlights 24V
Infrared Filters, Covert Covers, and Blackout IR Lenses
Military Equipment
Ultralife Batteries
Remote Control Pan Tilt Base
Larson Electronics Spotlights
Larson Electronics Parts
Replacement Lamps
Cords - Brackets
Portable Wheeled Generators
Non-Hazardous Location Extension Cords / Plugs / Outlets
HID Work Lights
HID Dive Lights
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Acro Lights HID Lights
Halogen Lights
Acro Light Flashlight
Xenon HID Flashlights
Powerlight Flashlight
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Xenon Flashlights
LED Status Lights
Forklift Lights
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HID Post Mount Lights
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Flashlight Holder
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Tripods-Magnetic Base
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Fire Rescue Lights
LED Street Lights
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12/24 Volt Spotlights
Gifts For Men
New 12 / 24 Volt Lights
Explosion Proof Accessories and Replacement Parts
Explosion Proof Lighting
Explosion Proof Hand Lamps (Drop Lights)
Explosion Proof Lights - Stand/Dolly
Explosion Proof Tank Lights
Explosion Proof Phones and Intercoms
Explosion Proof Extension Cords
Black Friday & Cyber Monday Specials
Crane Lights
Explosion Proof Light Rentals
General Light Rentals
Light Tower and Light Plant Rentals
Power Distribution Rentals
Power Plant Lighting
Refinery lights
Environmental Services Lights
Aerospace Lights
Chemical Plant Lights
Food Grade Safe Lights
Film and Entertainment Lights
Handheld Meters and Devices
Waste Water Treatment Lights
Mining Lights
Ship Yard Lights
Work Site Lighting

04/22/10 Explosion Proof Lighting: Protecting the Worker and The Public

Protecting against fire and explosions is a critical part of safety measures in many industrial environments. Explosion proof lighting, intrinsically safe lighting, and explosion proof electrical equipment are all commonly included parts of the comprehensive safety measures implemented to create and provide this protection. All of this equipment is grouped according to specific ratings and standards set forth by regulating bodies defining the specific requirements for particular hazardous use applications.

Depending upon the industry in question, workers are often handling flammable materials and explosive compounds as a part of everyday commercial operations. The constant presence of these materials and their volatile natures adds a considerable amount of hazard to operating in these industrial workplaces, and addressing these hazards is an integral part of industry-specific safety regulations. OSHA addresses the subject of electrical equipment and explosion safety by saying   “The use of proper electrical equipment in hazardous locations is crucial to eliminating a common ignition source” OSHA "Combustible Dust in Industry: Preventing and Mitigating the Effects of Fire and Explosions." SHIB 07-31-2005

Large-scale accidents happen with enough frequency to vividly underscore the importance of protecting against explosions in the workplace, and are the reason for OSHA regulations pertaining to fire and explosion prevention. Some of these incidents have caused alarming amounts of damage and injuries to persons and property not involved in the actual operations themselves as well as to workers, further emphasizing the importance of prevention. In November of 2009, a chemical explosion at a refinery in Utah damaged ten nearby homes, and in 2006, a chemical explosion at a North Carolina acrylics plant caused injuries and fatalities while also damaging nearby homes and churches. In the North Carolina incident, glass and debris was found almost half a mile from the site of the explosion. These incidents and others like them underscore for us the importance of following strict OSHA safety regulations in the industrial workplace to protect not only employees, but the surrounding public as well.

Complying with these regulations is not only a matter of properly training personnel, but of also utilizing the correctly rated equipment for the type of hazardous conditions that are present. Investigations by the U.S. Chemical Safety Board have found that on numerous occasions, the use of improper or faulty equipment was an integral part of the events leading up to several serious industrial fires and explosions. Given the fact that most accidents are considered preventable, and that one of the most effective ways to reduce their occurrence is through the use of the proper equipment, it only makes sense that equipment carries all the necessary ratings and certification before approval for use is given. Ensuring that equipment complies with OSHA regulations is fairly straightforward, and selection is simplified by the presence of standardized ratings used to determine a specific piece of equipment's suitability for use in a particular hazardous environment.

An Example of this can be found in Larson Electronics’s  Explosion Proof Light - 400 Watt Metal Halide - Class 1 Div 1 & Class 2 Div 1  EPL-HB-400W-MH

The first difference of note between a traditional non-specialized lamp and the explosion proof EPL-HB-400W-MH is its specifications. There is much more here than just wattage and intended uses to consider. You’ll note that unlike typical electrical equipment, this light has included as a part of its description the OSHA ratings it complies with. This is because explosion proof lighting equipment is designed and manufactured for adherence to the specific requirements and regulations outlined by OSHA. It’s these ratings which are the most important factors for consideration of its use in hazardous settings. Rating explosion proof lighting in this way simplifies the process of determining a lamp's suitability for a given hazardous environment and its selection by allowing individuals to simply match ratings with their industries working environment. These ratings are certified by Underwriter Laboratories, further assuring that the explosion proof lamp's construction and manufacturing standards are in compliance with OSHA regulations and will fulfill the legal requirements of a business that requires explosion proof illumination.   

In order to achieve compliance with regulations and receive certification, this lamp has numerous specialized features that set it apart from standard lamps. The most important feature of this industrial grade light is that all of the electrical components are sealed inside of its construction. This is the reason why the EPL-HB-400W-MH explosion proof lamp is able to prevent inadvertent ignition of volatile chemical vapors and combustible dust; not only can nothing get inside the unit's sealed construction, neither can anything escape. What this means is that although the internal electronics are sealed from any contact with volatile fumes, the light itself is capable of containing any explosion of its bulb or electronics, keeping sparks or hot electrical components from making contact with the outside atmosphere as well.

The unit is limited to four hundred watts, putting it at the standard limit for explosion proof lights. Four hundred watts is generally the limit for these lamps because of heat produced by the lamp's bulb and interior ballast. Lamps of over four hundred watts have tendency to raise the temperature of the assembly above the levels considered safe for use in hazardous locations, as defined by different ratings, and increases the risk of inadvertent ignition.  

As well as heat limitation and sealed construction, the body of the Magnaight EPL-HB-400W-MH lamp is constructed of cast aluminum, which has the benefit of making the lamp's body resistant to creating sparks if struck. The lamp's heat resistant lens is surrounded by a cast aluminum guard, helping to protect against accidental breakage, increasing the lamp's durability. The four hundred-watt halogen bulb creates thirty-six thousand lumens, making this lamp capable of illuminating eighteen thousand square feet of open area. Its sealed construction and electroplated tan paint finish contribute to this lamp's being corrosion resistant, weatherproof, and suitable for wet applications such as marine use.

Taken as a whole, the Larson Electronics EPL-HB-400W-MH is an excellent example of how standards and design reduce the hazards presented by working in the presence of volatile chemicals and dust. By removing potential sources of ignition with the addition of explosion proof lighting, the chances for explosion or fire are greatly reduced and safety improved. 

In industrial applications, it is not enough that workers be aware of the dangers that accompany working in a hazardous area. Industry has to also provide for precautions and equipment that can reduce the level of the hazard. These additional safeguards in the form of explosion proof lighting and equipment reduce these hazards independent of workers on the floor, providing a dependable level of insurance against the inadvertent ignition that can lead to serious accidents.

Related Categories/Products
Category/Product (click on link below for more information)
Intrinsically Safe Lights
Explosion Proof Lights
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Explosion Proof Pen Light - Class I Division 1 Groups A, B, C & D - 11 Lumens - 24 Hour Runtime
Explosion Proof Light - 400 Watt Metal Halide - Class 1 Div 1 & Class 2 Div 1 - IP67
Intrinsically Safe LED Trouble Light - Convenient Hanging Hook and Belt Ring - Spot & Flood - Rechar
Intrinsically Safe LED Penlight - 50 Lumens - 13.75 Hr. Runtime - C1D1 & C2D1 - (3) AAAA Batteries
*RENTAL* Intrinsically Safe Blower (Fan) - Runs off Air Compressor - Class I, II, & III - 25' Duct
Replacement Battery for EXPRL-95 and EXPRL-96 series intrinsically safe lights
Replacement Charger for EXPRL-95 and EXPRL-96 series intrinsically safe lights
Replacement Battery Charger for the XPR-9863E model Intrinsically Safe Flashlights
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