LED T8 & T12 Retrofit Applications

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LED 4FT T8 Replacement Tubes

There are 3 main types of LED T8 replacement tubes on the market. We’ll explore the various technologies and  pro’s and con’s to give you a good base understanding to navigate the retrofit market place.

1.Direct Replacement

Direct Replacement LED Tubes such as the Philips Instantfit LED Tubes – These are the latest product  to the T8 LED marketplace that allow for you to just put them in as you would a replacement fluorescent tube that works directly with the existing electronic ballast.[/vc_column_text][divider][/vc_column][vc_row][vc_column width=”1/1″][youtube style=”no-style” position=”below” video_id=”B3LjBNjZDyA”][divider][vc_column_text]

Why InstantFit? Because it works

The Philips InstantFit LED T8 lamp is a simple way to instantly make your current fluorescent application more efficient. These energy-saving LED solutions seamlessly fit into existing linear fluorescent fixtures without any extra effort and utilize the existing ballasts, thus requiring no re-wiring upon installation. Because Philips offers InstantFit LED T8 lamps in a variety of lamp lengths and light levels, it is the simplest LED upgrade for fluorescent systems. InstantFit works with 80% of the installed T8 electronic ballasts*. Philips InstantFit LED T8 lamps offer the ideal balance of light quality, efficiency and compatibility.

Plug and Play

Philips InstantFit LED T8 lamps make upgrading to LED easy. Using InstantFit LED lamps, users can replace existing T8 fluorescent lamps with without re-wiring, because the lamp uses the existing electronics. This solution minimizes maintenance and labor costs. This lighting solution is ideal for users focused on maximizing the value of an existing ballast investment.

Energy Savings

Philips InstantFit LED T8 provides users with significant energy savings – up 40% when with compared traditional fluorescent 32W T8 systems. This lower energy consumption makes it easier to upgrade to LED by enabling financial short payback periods. (Actual savings depend on your unique system configuration.)

Proven Compatibility

Compatibility means the lamps works as intended and Philips has tested InstantFit lamps with numerous electronic T8 ballasts to confirm performance. The InstantFit LED lamps are compatible with most electronic instant-start T8 ballasts as well as some program-start T8 ballasts.


Philips InstantFit LED T8 lamps contain no mercury and virtually no UV or IR light. Waste is minimized since these lamps are installed in existing luminaires.


2. Hard Wired Internal Driver

non-shunted & shunted socket

Hard Wired, power to one end (This type you would use a non- shunted socket for and bypass the existing ballast.) No driver or ballast required, the driver is internal.
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.


Pros – No need to replace or maintain that ballast

Cons – Safety concerns over someone down the line putting in a fluorescent tube and it malfunctioning or possibly exploding due to the direct line current not being regulated through a ballast. Currently there is a sticker that installers are instructed  to be apply at the time of the retrofit to alert that the wiring has been altered.

This method is also labor intensive and requires a licensed electrician and may void the UL classification of the fixtures.[/vc_column_text][divider][vc_column_text]

3. Hard Wired External Driver

Hard wired replacement that replaces the existing T8 ballast with an LED driver

Pros – External driver is more efficient in driving the LED tube and can be replaced independently if it fails versus replacing the entire tube and having color consistency issues.

Cons – You have to do more wiring in the installation.


How do plug-and-play T8s stack up against ballast-bypass LED lamps? (LED’s MAGAZINE)[/vc_column_text][divider][vc_column_text]

Philips EvoKit LED Retrofit

The ideal LED replacement for linear fluorescent troffers

The Philips EvoKit LED Retrofit is the ideal solution for switching from linear fluorescent lighting to an LED solution.  This system is designed to be affordable, long lasting, and produce the quality light typical in Philips LED systems.  The EvoKit, at efficacies up to 110 lumens per watt, produces enough light to replace most traditional 2’ x 4’ and 2’x2’ fluorescent troffers, while consuming significantly less energy1.  It also comes standard with a dimming driver (Either 0-10 or Mark10) to help customers meet many of the energy and code compliance standards being put into place, such as ASHRAE 90.1. The system is also rated to last more than twice as long as traditional T8 fluorescent lamps, meaning less maintenance and less hassle2.

Peace of mind for customers

The Philips EvoKit LED Retrofit utilizes the same technology inherent in our Fortimo LED Systems, assuring you get a quality system in your ceiling.  The kit is rigorously tested with associations such as UL and DLC to guarantee that our photometric performance and lifetime claims meet expectations.  This product was created with the customer in mind, knowing full well that easy installation, quality performance and affordability would be top priorities in the development cycle, with the result coming to you in the form of the Philips EvoKit LED Retrofit.  The system also comes with a 5 year limited warranty3.

Benefits of the Philips EvoKit LED Retrofit

  • Efficacy up to 110 lm/w
  • Either 0-10 or Mark10 dimming drivers to help curb energy use and meet new legislative standards when paired with suitable controls solutions
  • Simple installation in under 5 minutes
  • Multiple sizes, color temperatures and lumen packages available
  • Lumen maintenance of 70,000 hours4
  • CRI >80
  • New fixture look and performance without the need to enter the ceiling
  • Compatible in both narrow and standard T-grids
  • Suitable for use with Bodine emergency backup BSL310

Application Areas

The Philips EvoKit LED Retrofit is ideal for many applications such as:

Offices (Open office, private office, conference room, corridors)

  • Schools (Classrooms, hallways, administrative areas, cafeterias, locker rooms, dormitories)
  • Healthcare (Hallways, patient rooms, administrative areas, stairwells, waiting rooms,operating rooms, assisted living facilities)
  • Retail (General floor lighting, convenience stores, back offices, discount stores, supermarkets)
  • Government (State, Local and Federal office buildings, VA Hospitals, Military housing, bases)

Evokit Brochure

Evokit 2×4 Spec Sheet

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  1. I need 86 led t-12 ballast bypass single pin 8foot tubes. I’m in Burnaby bc canada. What’s the shipping?

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