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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
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Recharging Spotlights
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Hazard Lights
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Strobes & Beacons
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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
         

   
01/27/17 Transitioning to LEDs- Direct Fits vs Bypass

Article - January 27, 2016 By LarsonElectronics.com

28 Watt LED Bulb - 4 Foot T8 Lamp - 3500 Lumens - Replacement or Upgrade for Fluorescent Light

Transitioning to LEDs- Direct Fits vs Bypass

The adoption of light-emitting diode (LED) technology requires businesses to upgrade existing fluorescent fixtures in the building. Manufacturers are facilitating this transition by offering seamless replacement options for buyers.

The two most feasible methods for making such replacements are: direct fits- installing LED bulbs that work with existing fluorescent ballasts, and bypass- wiring the internal driver of the LED to the main voltage (bypassing the outdated fluorescent ballast).


A Closer Look at Direct Fits

Direct fits (or instant fits) is a “plug and play” method for replacing fluorescent bulbs with LEDs. In this option, the LED tube is equipped with an internal driver that allows it to work with existing fluorescent ballasts. As a result, you would simply have to switch out the bulbs during replacement. No wiring or readjusting is required, making this option suitable for facilities that don’t have a lot of time to spend on upgrading their current lighting system. It is also ideal for businesses that are testing various lighting configurations. Operators can easily adjust energy consumption and light levels using the existing ballast. Transitioning to LED technology is a straightforward process when using direct fits. Companies can stop stocking up on fluorescent tubes, and start purchasing LED lights.

There are several reasons why direct fits may not be appropriate for a particular location. Facilities with very old fluorescent ballasts that are nearing the end of their lifespan will have to consider unforeseen maintenance costs. In some cases, the establishment’s current fluorescent fixtures are not compatible with LED tubes. For example, initially some LED tubes were only compatible with instant start electronic ballasts. Because the ballasts were not originally created for LEDs, businesses may also run into efficiency issues in the form of power loss from integration and inconsistent dimming functionalities.


Why Bypass?

Bypassing the existing fluorescent ballast and wiring the LED’s internal driver to the main voltage might be advantageous for businesses that are interested in long-term lighting solutions. The replacement process requires an individual to remove the ballast from the unit, and the sockets are connected directly to the line voltage via wires. In this configuration, one socket serves as support to keep the light in place, while the other socket is wired in the line voltage. For shunted sockets, individuals will have to replace the line voltage socket with a non-shunted socket.

“The reason T8 LED requires non-shunted sockets is that the LED lamp is single end-powered. With shunted sockets, they work with fluorescent because you can utilize sockets on both ends of the fixture to complete the circuit, but with LED you’d be forced to put live AND neutral into the same side of the same socket, which would not work,” explained ALB Energy Solutions.

The benefits of rewiring an existing fluorescent fixture are numerous. Power loss is kept minimal, because no power is wasted in the ballast (this also makes the LEDs more efficient). Additionally, by removing the ballast from the configuration, businesses can reduce maintenance costs. Outdated ballasts that are prone to breakage will not need to be replaced. Companies with a team of lighting specialists could make the modifications without help from a third-party service. Such modifications include removing the ballasts, replacing the sockets and making various wiring connections.


Another Option: Remote Driver

The most expensive (and most reliable) option for transitioning to LEDs is installing an LED tube with an external driver, which powers the lights. Like bypassing, this configuration requires the ballasts to be removed. However, instead of connecting the low-voltage driver to the line voltage, it is hooked up to the sockets. Using a remote driver is useful for businesses that want to transition to LEDs, but are facing compatibility issues with their current fluorescent lamps. This method is designed to work with most fluorescent fixtures available in the market today. Establishments that have complex lighting requirements, such as dimming, may also benefit from using external drivers; since they work seamlessly with most lighting control systems.





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Category/Product (click on link below for more information)
LED Lights
LED Bulbs
LED Work Lights
LED Tubes
LED Retrofits & Upgrades
LED Retrofit Bulbs & Tubes
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