do these led light bulbs generate more or less heat than t5 fluorescent bulb? Looking to solve undercabinet heat problem caused by existing bulbs.

These bulbs consume only 4W in comparison to fluorescent's 8W. The heat problem shall be dramatically reduced.

As I know 4000k is neutral white,6000k is cool white.I need 4000k neutral white,just make sure this is the right item.

Yes, this is neutral white 4000K. In USA, 4000K is usually called cool white, while 6000K is called daylight white. I will change "cool white" into "neutral white" to clarify for buyers like you. Before buying, please just make sure that your old bulb is full 12"(304MM) pin to pin and your fixture voltage is 110/120VAC. If your old bulb is 11-3/4" pin to pin, please buy for another link: http://www.amazon.com/dp/B013OXZX2E

Do i need shunted/non-shunted sockets and do i need double-ended power to connect two fixtures in line? how about for a fixture that sits alone?

You can use either shunted/non-shunted sockets. It doesn't matter how you connect two fixtures together. Just make sure that each fixture is applied with the 120V AC power with the hot on one end and the neutral on the other end.

I can't rewire an under cabinet light with an on/off switch and two 12" inch Led's that run end to end not parallel. Anyone have exp. w/ this?

Basically, it is electrically parallel, not looking alike parallel! Your old fluorescent bulbs were actually connected in a parallel way, otherwise they wouldn't work at all. Basically, what you need to do is to connect the hot wire to one end of each two bulbs, and the neutral wire to the other end of each two bulbs. Please check the second photo at the left upper corner of the product page. It doesn't matter if the two bulbs are placed in a parallel way or not.

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Type B F8T5 LED Tube, 12-Inch (11-7/8-IN), Cool 4000K, 110-120V

Product ID: 22343277

Details

Brand
Fulight
Bulb Shape Size
T
Light Type
Direct-Wire
Special Feature
3-Year Frosted
Wattage
4 watts

⏳50,000+ hour lifespan

⚡4W ultra-efficient power

🔄±90° rotatable beam angle

R502

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💡 Illuminate smarter, not harder — the future of LED lighting is here!

LONG LASTING RELIABILITY - Built to outlast with over 50,000 hours of flicker-free, UV-free light backed by a 3-year warranty.
CUT YOUR ENERGY BILL IN HALF - Consumes just 4W to replace 8W fluorescent bulbs, delivering bright 4000K cool white light without compromise.
CUSTOMIZABLE LIGHTING DIRECTION - Rotatable design lets you adjust the beam angle ±90° for perfect illumination tailored to your workspace.
PROFESSIONAL GRADE COOL WHITE GLOW - Crisp 4000K color temperature with an 82 CRI ensures vibrant, natural light ideal for modern office and home environments.
SEAMLESS BALLAST BYPASS INSTALLATION - Direct-wire setup eliminates ballast hassles—upgrade your fixtures for cleaner, quieter lighting.

The Fulight Type B F8T5 12-inch LED tube is a direct-wire replacement for traditional 8W fluorescent bulbs, operating at 4W with a cool 4000K color temperature. Featuring a rotatable design for adjustable beam angles and a long lifespan exceeding 50,000 hours, it offers significant energy savings and flicker-free illumination. Designed for professional-grade lighting upgrades, it requires ballast bypass wiring and comes with a 3-year warranty.

Specifications

ASIN	B019MSVQTY
Additional Features	3-Year Warranty, Frosted cover 180 degree viewing angle, G5 Miniature Bi-Pin, Lifetime>50,000hrs
Best Sellers Rank	#60,527 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3,814 in LED Bulbs
Brand	Fulight
Brand Name	Fulight
Bulb Base	G5
Bulb Shape Size	T
Color	White
Color Rendering Index	82
Color Temperature	4000 Kelvin
Connectivity Technology	Normal bulb
Control Method	App
Controller Type	Push Button
Customer Reviews	4.6 out of 5 stars 40 Reviews
Incandescent Equivalent Wattage	40 watts
Indoor Outdoor Usage	Indoor
Light Color	Cool White
Light Source Operating Life	50000 hours
Light Source Type	LED
Light Source Wattage	4 watts
Light Type	Direct-Wire LED
Manufacturer	Fulight
Manufacturer Part Number	HE80-T5-304-4W-4000K
Manufacturer Warranty Description	3-year warranty.
Material Type	copper
Model Number	HE80-T5-4W
Number of Items	1
Package Quantity	1
Power Consumption	4 watts
Power Source	Corded Electric
Shape	Tubular(T)
Special Feature	3-Year Warranty, Frosted cover 180 degree viewing angle, G5 Miniature Bi-Pin, Lifetime>50,000hrs
Specific Uses For Product	General purpose
Style Name	(110-120V AC) Cool 4000K for Home
UPC	080687831517
Unit Count	1 Count
Voltage	120 volts
Wattage	4 watts
White Brightness	400 lumens

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