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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
         

   
08/09/11 Lower Classification does not Imply Less Threat

 

Electrical equipment used in locations where explosion and fire hazards could potentially exist because of the presence of combustible dusts, flammable liquids, gases and vapors, or ignitable flyings and fibers, must conform to standards as set forth in the National Electrical Code in order to protect against these hazards. Any equipment which is powered through the use of electrical current or creates heat or sparks through its operation holds the potential to ignited flammable materials and atmospheres and must be designed to prevent such ignition. Although there are several common techniques used in designing equipment for use in hazardous locations, each has the same goal of maintaining compliance with a certain set of classifications. Despite the variance in designs, all equipment intended for use in hazardous locations falls under either the “intrinsically safe” designation or the “explosion proof” designation.

Locations are designated according to a host of factors including the types of materials to be encountered, the nature of the location (confined, open, etc) and the likelihood of the presence of flammable materials. As an example, Class 1 Division 1 locations represent areas where highly flammable gases and vapors (class 1) are present on a regular basis as a part of normal operations (division 1). Class 1 denotes the types of flammable materials encountered and Division 1 denotes the likelihood of their presence. Thus, a Class 1 Division 2 locations denotes the same gases and vapors (class 1), but with their presence being only on an infrequent or abnormal basis (division 2).

Regardless of a locations class and division designation, if it is classified as a hazardous location, the potential for fire or explosion is considered to always be present. Although the possibility of ignition may vary according to class and division, this does not reduce the severity of the threat posed by ignition. As a result, any location designated as hazardous must employ the use of the appropriately classed equipment in order to maintain compliance with the National Electrical Code as well as federal and local regulations.

Explosion proof equipment is the most common type of NEC compliant equipment in use. This type of equipment covers a wide range of power levels and is most commonly designed to prevent ignition through the use of special housings intended to contain explosions or ignitions of flammable materials within the housings long enough to allow them to cool below ignition temperatures before exiting the housing. Intrinsically sage equipment is less common and has a much narrower scope of application. Intrinsically safe equipment is usually completely sealed against intrusion from the outside atmosphere and designed to use very low voltage, thus making it incapable of producing enough heat to create heat, sparks or flame that could cause ignitions.

Class 1 Division 2 equipment falls within the explosion proof designation as the extreme protection levels of intrinsically safe approval are not necessary to achieve sufficient protection in Class 1 Division 2 locations. Class 1 Division 2 equipment is designed to protect against occasional exposure to flammable compounds and materials under abnormal conditions such as leaks or spills. Class 1 Div 2 equipment is not suitable for confined locations or areas where flammable materials are present on a regular basis. Class 1 Division 2 equipment is typically used in large open areas such as manufacturing and processing plants to provide protection against possible exposure to flammable compounds while producing good general area illumination.

It should be noted that although Class 1 Division 2 equipment is not intended for the acute hazardous conditions represented by Class 1 Division 1 locations, the importance of the protection it provides is no less critical. Although the potential for explosion or fire may not be as likely, the severity of such ignitions can be no less deadly than any other class. This makes it critical that any equipment chosen for use in Class 1 Division 2 locations be of the highest quality possible. Additionally, such equipment must carry proof of approval from a certified testing agency such as UL or CSA.  It is only through the proper use and application of correctly certified equipment that effective protection is ensured regardless of the level of fire or explosion potential implied by a locations’ classification.  





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