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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
HID Off Road Lights
Acro Lights HID Lights
Halogen Lights
Acro Light Flashlight
Xenon HID Flashlights
Powerlight Flashlight
HID Flashlights
Xenon Flashlights
LED Status Lights
Forklift Lights
Tractor Lights
HID Post Mount Lights
Roof Mount Lights
Post Mount Light parts
Flashlight Holder
Magnet Spotlight Base
Tripods-Magnetic Base
Recharging Spotlights
Fire Rescue Lights
LED Street Lights
Utility Lights
Hazard Lights
Strobe Lights - Battery Operated
Strobes & Beacons
Strobe Light Bars
Headlights - Headlamps - Hard Hat Lights
Suction Mount Lights
Magnetic Spotlights
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

07/20/10 “Explosion Proof”: Its Not Just a Label

Hazardous work areas are one of the most demanding environments for the workers and equipment that must operate within them. The often confined spaces combined with the presence of volatile materials presents a serious danger of fires and explosions that must be adequately addressed to insure the safety of workers and the public in both the work space and the surrounding area. One of the biggest areas of concern is the control of possible ignition sources that can inadvertently lead to the ignition of volatile materials contained within the workspace that can result in explosions and fires. Confined spaces that may contain volatile atmospheres include the storage tanks of ships, agricultural silos, commercial spray paint booths, laboratories, industrial complexes, underground fuel storage tanks, and just about any location where volatile chemicals and vapors as well as fine dust particles may be present either intermittently or on a regular basis. Equipment to be used in such locations must be explosion proof rated and carry the correct classifications.

Despite a longstanding industrial and commercial understanding of the dangers present when working around volatile materials, there have been numerous accidents that periodically underscore those dangers and the need for effective safety measures to prevent them. Explosions in coal mines and at water treatment plants, fires and explosions in grain silos, and incidents involving privately operated paint booths have occurred with some regularity and demonstrate the serious problems created by failures in both the equipment used and operator procedures. Because of these dangers and the history of accidents created by them, several organizations have been formed to develop both procedures and regulations designed to mitigate the dangers posed by working within hazardous locations. Of these organizations and regulations, OSHA and the National Electrical Code or (NEC) are the most notable. The National Electrical Code (NEC) defines hazardous locations as those areas "where fire or explosion hazards may exist due to flammable gases or vapors, flammable liquids, combustible dust, or ignitable fibers or flyings." Each location has its own particular characteristics and level of potential danger, thus the NEC has set classifications and recommendations based on the properties of each.

OSHA is the federal agency charged with enforcing health and safety laws and regulations and any work that is to be performed in hazardous locations must conform to the rules and regulation specified under the relevant OSHA guidelines. Failure to comply with these regulations not only exposes the workers within hazardous locations to excessive danger but also the companies responsible to possible litigation in the form of fines and penalties. Because of the consequences posed by both the possibility of injurious accidents and financial losses through litigation, it is imperative that the OSHA guidelines relevant to a particular work area be followed and the correct equipment be used. Employers and individuals interested in further information regarding the rules and regulations surrounding hazardous location workplaces should visit OSHA’s website at to familiarize themselves with the classifications and requirements related to their particular situations.

Further consideration must be given to the equipment to be used in hazardous locations. Such equipment must meet certain guidelines for a given location and be in compliance with OSHA recommendations. Equipment is approved and rated for a given application according to standards and evaluations set forth and performed by organizations such as Underwriters Laboratories and will carry these approvals and ratings with their accompanying literature and on the equipment itself. It is the responsibility of the business or individual to ensure that all equipment used in hazardous locations is approved for their particular job’s classification and the U.L. ratings are included to assist in making these determinations and verifying a particular piece of equipments suitability. For more information on how Underwriters Laboratories performs its evaluations and assigns ratings visit their website at

Equipment intended for use in hazardous locations should be chosen according to its ratings and the location it is going to be used in. It is important to recognize that just because a particular piece of equipment is rated as explosion proof does not mean that it is suitable for all hazardous locations. As mentioned earlier, different locations present varying levels of hazard depending upon the nature of the volatile materials that are present and the equipment chosen must be rated for use in that particular location. An explosion proof light like the Larson Electronics Explosion Proof 26 Watt Fluorescent Handheld Light is approved by U.L. for Class 1 Division 1 use. What this means, is that this lamp has been rated by U.L. for use in environments that contain volatile vapors or liquids in flammable or explosive mixtures which may be constantly present. In order for a lamp to be suitable and in compliance with OSHA regulations, it must carry these types of classification.

There are many pieces of lighting equipment on the market today that are listed as “vapor proof” or “sealed”. Although this may be true, this does not mean they are suitable for use in hazardous locations. Without the required approval and classification ratings as provided by a certified evaluating group like U.L., these lamps are not in compliance with OSHA regulations and their use in hazardous locations is not approved. These units are not capable of preventing inadvertent ignition of volatile materials and are not capable of containing ignitions within themselves as true explosion proof equipment is. It is important when selecting explosion proof equipment, that only equipment that carries certified ratings be considered.

The importance of ratings and the proper selection of equipment based on those ratings cannot be overemphasized. Many of the commercial or industrial accidents that occur have been a result not of equipment failures, but of improperly chosen and used of equipment. In 2006, The North Carolina Department of Labor fined a Morganton chemical company $379,050 for violations that led to an explosion which caused fatalities. Part of the department’s findings included the unsafe use of electrical equipment near flammable liquids.  In 1999, the Transportation Safety Board of Canada found that the explosion and fire aboard a petroleum tanker was caused in part by the use of improper electrical equipment which ignited vapors in the vessel’s tanks. The equipment noted was not approved for use in hazardous environments and the resulting fire destroyed both the vessel and the wharf where it was docked.

As can be seen by the above examples, when considering any equipment for use in locations that may present a fire or explosion hazard due to the presence of volatiles chemicals or substances, it is imperative that the equipment be rated and classed by an approved agency. It is the responsibility of these agencies to ensure that equipment is properly rated and classified. It is the responsibility of the companies, contractors, and workers involved to choose and properly use equipment approved for their specific conditions. Failure to comply can be not only expensive, but fatal.

Related Categories/Products
Category/Product (click on link below for more information)
Intrinsically Safe Lights
Explosion Proof Lights
Paint Spray Booth Lights
Explosion Proof Light - Portable Cart - 24 Inch - 400 Watt Metal Halide - Class 1 & Class 2 Div 1
Explosion Proof Light - Class 1 & II Div 1 & 2 - 70 Watt Metal Halide - Base Stand - 100' SOOW Cord
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
Intrinsically Safe Blower (Ventilator) 25 foot Static Conductive Duct Redirects Stale Work Area Air
Explosion Proof Fluorescent Lights for Paint Booths, Oil Rigs, Boats -2 foot - 2 lamp -Multi-voltage
Explosion Proof Emergency Lights & Fluorescent light Combination - 4 foot - 2 lamps - Class I, Div I
Intrinsically Safe Flashlight - Rechargeable LED Flashlight with Spot and Flood Beams
Explosion Proof Fluorescent Lights for Paint Booths - 4 foot - 4 lamp
Explosion Proof 26 Watt Fluorescent Handheld Light - Class 1 Division 1 - 100' Cord
Explosion Proof Pen Light - Class I Division 1 Groups A, B, C & D - 11 Lumens - 24 Hour Runtime
Explosion Proof LED Paint Spray Booth light - Class 1 Div 1 - Class 1 Div 2 - T6 - 7,000 Lumens
Explosion Proof Fluorescent Light w/ Emergency Battery Backup- 4' 4 Lamp- Paint Spray Booth Approved
12 / 24 Volt Explosion Proof Fluorescent Light - Class 1 Div 1 & Class 2 Div 1 UL 844 Ratings
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
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 LED Aluminum Drop Light - Class 1 Div 1 - 50' SOOW Cord
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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