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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
Megatower™
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
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Intrinsically Safe Lights
Military Flashlights
LED Waterproof Lanterns
Work Area Lights
12 Volt Flood Lights
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Boat Spotlights
New Boat Lights
HID Boat Lights
Boat Dock Lights
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Remote Control Lights
Control Lights
Tow Lights
Magnetic Control Lights
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NEW Lights and New Products
Evaporative Coolers
Police Equipment
AC/DC Transformers
Power Supplies
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Military Spotlights 24V
Infrared Filters, Covert Covers, and Blackout IR Lenses
Military Equipment
Ultralife Batteries
Remote Control Pan Tilt Base
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Larson Electronics Spotlights
Larson Electronics Parts
Replacement Lamps
Cords - Brackets
Portable Wheeled Generators
Non-Hazardous Location Extension Cords / Plugs / Outlets
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HID Work Lights
HID Dive Lights
HID Off Road Lights
Acro Lights HID Lights
Halogen Lights
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Acro Light Flashlight
Xenon HID Flashlights
Powerlight Flashlight
HID Flashlights
Xenon Flashlights
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LED Status Lights
Forklift Lights
Tractor Lights
HID Post Mount Lights
Roof Mount Lights
Post Mount Light parts
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Flashlight Holder
Magnet Spotlight Base
Tripods-Magnetic Base
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Recharging Spotlights
Fire Rescue Lights
LED Street Lights
Utility Lights
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Hazard Lights
Strobe Lights - Battery Operated
Strobes & Beacons
Strobe Light Bars
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Headlights - Headlamps - Hard Hat Lights
Flashlights
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Suction Mount Lights
Magnetic Spotlights
12/24 Volt Spotlights
Gifts For Men
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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
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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 Lights: Lessening the Danger in Hazardous Work Areas

Hazardous work areas present special challenges for the workers and businesses that must operate within them. These work areas are often confined rooms or containers like fuel tanks where vapors and gases from work activities can become concentrated to dangerous levels. As well as the obvious dangers posed by inhalation of these contaminants are the not so obvious dangers that can have lethal consequences if not properly addressed.

On April 27, 1917, an open light ignited gases that killed 121 people inside the Hastings Coal Mine in Colorado. On February 21, 2010, a man in Drummond, Ohio died when fumes from vehicle paint were ignited in his workshop, destroying the building. On February 18, 2010, a man in Arkansas was killed when the oil tank he was cleaning exploded. In May 2009, three workers were killed when a gas tank they were contracted to clean exploded.

Incidents like these have occurred numerous times in mines, factories, shipyards, power plants, and even homes. These incidents oftentimes happened because basic precautions were not followed, and/or improper equipment was used. In some cases such as the 1917 mine explosion, improper lighting was determined to be the definite source of ignition for the explosion. What they all demonstrate is the seriousness of the danger that gases and fumes in the work environment present.

While it may be obvious that high concentrations of vapors or fumes in the workplace present a fire hazard, it’s not as obvious that something as innocuous as a simple light can cause ignition of fumes or vapors and lead to an explosion. Just about anyone knows better than to light a cigarette near a gas pump. However, would they be so concerned with a spotlight? Because of these dangers and their complexity, standards have been created and assigned by federal bodies such as OSHA mandating the use of explosion proof lights in these hazardous work areas. There are different levels of danger and thus different requirements, and they are classified by the various hazards presented by different conditions.

Examples of hazardous work areas that require explosion proof lighting are fuel storage tanks undergoing repairs or servicing, automotive paint booths, power plants, oil tanks, storage areas for flammable chemicals and more. If a work area is going to be enclosed with little ventilation and chemical or fuel vapors present, or the work itself will produce fumes or gases, it’s a good bet a fire or explosion hazard will be present and explosion proof lights required.  The National Electrical Code defining hazardous areas is carried by OSHA and can be found under “HAZLOC” or Hazardous Classified Locations for a full description of what constitutes hazardous areas and the precautions necessary when working with them.

OSHA defines explosion proof lights as “An apparatus enclosed in a case that is capable of withstanding an explosion of a specified gas or vapor that may occur within it and of preventing the ignition of a specified gas or vapor surrounding the enclosure by sparks, flashes, or explosion of the gas or vapor within, and that operates at such an external temperature that a surrounding flammable atmosphere will not be ignited thereby.”

This is different from intrinsically safe lights which are defined by Underwriter Laboratories as basically any electronic circuit that is “incapable” of causing ignition, which puts them in an ultra high classification outside that of explosion proof lights. Rather than being totally incapable of producing ignition explosion proof lights achieve protection from ignition by reducing heat, incorporation of airtight seals, and rugged designs that can contain sparks and explosions within their housings without allowing them contact with the outside atmosphere.

Explosion Proof Lights are specifically designed for use in places where the danger of explosion or fires is or may be present. They come in several different classes and ratings, which are determined by the conditions the light is intended to be operated in. Larson Electronics for example offers this OSHA conforming Explosion Proof Light - Portable Cart - 24 Inch - 400 Watt Metal Halide - Class 1 Div 1 C&D. As you can see in its designation, it carries the Underwriters Laboratories' Class 1 Div 1 rating, which means it conforms to the highest ratings standards for hazardous area explosion proof lights. Since it carries the highest rating, and is classed “C&D”, this light can be operated in conditions where there is or may be continuous exposure to the flammable vapors and gases that can be produced by the presence of petrochemicals. This makes this light perfectly suited to jobs like the interior inspection of fuel storage tanks and bilge cleaning of large ships.

In addition to carrying the highest class and division ratings, this light's design is also well suited to jobs that require the ability to easily maneuver a high-powered light source. The cart-mounted design makes mobility easy requiring only that once assembled, the operator simply lift the handles and roll it into the desired position. In addition to its portability, the light can be rotated 360 degrees and vertically raised 90 degrees allowing a wide range of lighting directions.  It can be used in tanks with entry points that have diameters as small as 24 inches due to its design, which allows the removal of the light from the cart so it can be carried through the opening in parts and reassembled inside.

As well as being easily maneuverable, this light also makes use of two hundred and fifty feet of chemical and abrasion-resistant electrical cord, facilitating connection to power sources outside of the hazardous area, and still have enough length left to position the light wherever needed. This enhances the safety of the light, and adds to its effective mobility. With its connection to the power source made outside the hazardous environment, the chances of a spark from the connection causing an ignition are reduced.

This lamp operates at the maximum safe wattage for an explosion proof light with the incorporation of a four hundred watt metal halide bulb that can illuminate an area twenty thousand feet square, as well as project a beam of light for over five hundred feet. Explosion proof lights are typically available in strengths only up to four hundred watts, as anything higher tends to raise housing temperatures over safe limits. The Larson Electronics also uses an aluminum grid to protect the lamp and its Plexiglas lens cover. The Plexiglas lens cover is removable for cleaning and protects the lamp from the accumulation of dirt or debris while in use. This helps keep the need to clean or replace the lamp itself to a minimum while adding to the durability of the light as a whole.

This light's design is excellent for the worker who has to perform service or maintenance in a confined workspace with limited ingress, like an empty fuel tank or marine fuel cell. The mobility and convenience of lamps like the Larson Electronics Explosion Proof Portable Cart Metal Halide greatly reduce the dangers of a hazardous work area, not only by providing protection from ignition of flammable gases, but by also improving the ability to perform work safely and efficiently, by creating a well illuminated workspace.

Preventing accidents and injuries in the hazardous work area is the number one concern for both businesses and workers alike. Adherence to proper safety protocol and equipping the worksite with the correct equipment like the explosion proof line of work lamps offered by Larson Electronics ensures that the safest possible work environment is created and maintained.





Related Categories/Products
Category/Product (click on link below for more information)
Intrinsically Safe Lights
Explosion Proof Lights
Paint Spray Booth LED Lights
Power Plant Lighting
Explosion Proof Light - Portable Cart - 24 Inch - 400 Watt Metal Halide - Class 1 & Class 2 Div 1
Explosion Proof Light - Portable Cart - 24 Inch - 400 Watt Metal Halide - Class 1 & Class 2 Div 1
Explosion Proof Light - Waterproof Fluorescent Light Fixture - Paint Spray Booth, Rigs - 4 foot, 2 l
Explosion Proof Light - Quadpod Mount - 24 Inch - 400 Watt Metal Halide - Class 1 Div 1 C&D
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Explosion Proof Fluorescent Lights for Paint Booths, Oil Rigs, Boats -2 foot - 2 lamp -Multi-voltage
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Intrinsically Safe Flashlight - Rechargeable LED Flashlight with Spot and Flood Beams
Explosion Proof Fluorescent Lights for Paint Booths - 4 foot - 4 lamp
Explosion Proof Pen Light - Class I Division 1 Groups A, B, C & D - 11 Lumens - 24 Hour Runtime
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Explosion Proof LED Paint Spray Booth light - Class 1 Div 1 - Class 1 Div 2 - T6 - 7,000 Lumens
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12 / 24 Volt Explosion Proof Fluorescent Light - Class 1 Div 1 & Class 2 Div 1 UL 844 Ratings
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Intrinsically Safe LED Penlight - 50 Lumens - 13.75 Hr. Runtime - C1D1 & C2D1 - (3) AAAA Batteries
EPL-EMG-48-2L-Ballast
12 / 24 Volt Explosion Proof LED light - UL Class 1 Div 1 & Class 2 Div 1 - Paint Spray Booth Cert.
Explosion Proof Emergency Lights & Fluorescent light Combination - 2 foot - 2 lamps
Explosion Proof Fluorescent Ultraviolet Light - Class 1 & 2 - 4' 2 lamp - Paint Booths, Rigs, Marine
Explosion Proof Fluorescent Lights - Paint Booths, Rigs - 4', 8 Lamp Fixture - Bi-Axial Bulb Design
Low Profile Surface Mount Explosion Proof Fluorescent Light - 4 Foot 3 Lamp T8 Fixture - Paint Booth
Explosion Proof Paint Spray Booth LED Lighting - 2 Foot, 2 Lamp Fixture - Class 1, Div. 1
Explosion Proof LED Lights for Paint Spray Booth - Class 1 & 2 Division 1 - 4 Foot 4 Lamp - T6 Temp
Explosion Proof Fluorescent Fixture - 2 Foot, 2 Lamp - Class 1, Div. 1 - Low Voltage 9-32 VDC
*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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