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Is a GE T7 bulb similar to a GE T8?
The "T" number indicates the number of 1/8th of an inch in diameter. A T7 would be 7/8" diameter, and T8 would be 8/8 or one inch in diameter. But from what I can tell, the length of the bulb is the big factor most people run into. Most incandescent T8 bulbs I find are 2.5 inches tall over all, and T7 bulbs appear to be 2.25-ish.
Are t8 bulbs being discontinued?
No they are controlled by an electronic ballast. It's t12 and magnetic ballasts that are phased out
Difference between T12 and T8 fluorescent bulbs?
A T8 lamp can be retro fitted into a T12 fixture by replacing the T12 ballast with a T8 ballast. The end sockets also have to be rewired in the retrofit as the wiring from the electronic ballast to the sockets is completely different.
You are a small business owner and looking to save money on your fluorescent lighting what are some easy ways to do that?
If you are looking to cut down your energy consumption, I would suggest you get T5 fluorescent bulbs instead of T8 bulbs. You will save a good amount of energy with them compared to your T8 bulbs and T5 bulbs are much brighter than LEDs. LEDs do consume less watts but they are not nearly as bright plus they are very expensive to buy and maintain. You have to be careful if you want to get T5 bulbs though since they are a little shorter than T8 bulbs and do not naturally fit into their fixtures. Luckily, there are companies that make retrofit kits that come with the bulbs and everything you need to convert the fixtures. Also, right now there are a lot of incentives and rebates that you can get from the government and utility companies to help cover the cost and lower your payback period.
Can you upgrade to T5 fluorescent bulbs but not replace the fixture?
Since T5 bulbs are shorter than their T12 or T8 counterparts, they do not naturally fit into fixtures designed for T12 or T8 bulbs. Luckily, there are companies that offer retrofit kits that can allow you to use T5 bulbs in fixtures not designed for them. A company called Lumiversal makes two different types of these retrofits. These retrofits are a great way to save money and electricity plus you can rebates and incentives from your utility providers to help cover the cost.
Is a T8 ballast and T8 bulb more efficient then a T12 ballast and a T8 bulb?
In a T* ballast and T8 bulb more energy efficient then a T12 ballast and a T8 bulb? A:Depends on the CURRENT through the tube. When the Tube is run at 100% of rating, The T12 Takes more CURRENT to give a certain Brightness. Because the surface of the T8 is closer to the ion stream through the tube, it takes less CURRENT to light up the T8 to the same brightness. However, IF you use a T12 in a T8 ballast, you will get LESS CURRENT through the tube, and LESS POWER consumed ALONG with LESS Light.
How much electricity does a T8 32w fluorescent light bulbs use?
These tubes need a ballast to operate the tubes. The current and voltage will be marked on the fixtures ballast.
What is the quotient (18v9 t10 -30v7 t8 plus 18v3 t4)6v3 t?
(18v^9 t^10 -30v^7 t^8 +18v^3 t^4)/6v^3 t
What is the difference in the t8 and the t5 lightning fixtures?
I will assume you mean fluorescent tubes They are different caps
How many T8 fixtures can go on one 20 amp circuit?
Divide 20A by the Amps listed on the label of each fixture ballast. A T8 bulb will use an electronic ballast. They generally run 1A for four 4 foot bulbs. Try 15 four bulb fixtures per circuit and use a 20A rated switch.
How do you find T8 sec x cos x?
If cos(x) = 0 then the expression is undefined. Otherwise, it is T8.
What is T8 stands for T8 lamps?
Fluorescent tubes are measured in 1/8ths of an inch. A T8 would be 8/8ths or one inch. Likewise a T12 would be 12/8ths or one and a half inches.
