Question 1

How dim can these get quantitatively? Do these go down to 1%, or only 10% or 20% before the next step is just off?

Accepted Answer

Coming from someone in the industry, retrofit lamp dimming generally has less to do with the bulb and more to do with the dimmer. Some lighting control companies will have a list of products they have tested with their dimmers and how far it will dim down. You can expect with most dimmers 5-15%, higher end dimmers from more reputable companies will probably more consistently get you to 5% maybe to 1%. Electronic low voltage dimmers generally work better with LED's, if you have an older dimmer from the days of incandescent you probable will be looking at 15% and then off.

Question 2

What is the difference between "title 20 compliant" and not? They seem identical: same lumens and wattage, but priced wildly differently.

Accepted Answer

Well, the title 20 compliance is for California only. If you don’t live in California you don’t need to buy them. Besides that’s a six pack. The other one is a four pack and that’s the one I bought. They’re dimmable, warm glow. I really enjoy them, they’re so easy on your eyes. For you I would recommend this one.

Question 3

Will bulbs turn off completely when using a dimmer? some led bulbs remain on slightly.

Accepted Answer

That's more about the dimmer than about the bulb. If the dimmer shuts off completely, the bulb shuts off completely. If the bulb requires more power than the dimmer's lowest setting to put out a meaningful amount of light, then it will appear off. We just use dimmers to adjust light level and use the dimmer switch's switch function to turn on and off.
If I turn the dimmer all the way down, these are still lit softly, that's our specific dimmers (Lutron toggle dimmers).

Question 4

Are these suitable for a damp location such as a bathroom?

Accepted Answer

That’s where mine are. So good, so far!

ASIN	B0B92QPMQD
Additional Features	Commitment to Sustainability with all packaging to contain on average more than 8% recycled paper, Dims to a Warm Glow, Eye-Friendly, See True Colors with Ultra Definition, Smooth Dimming
Brand Name	PHILIPS
Bulb Base	E26
Bulb Shape Size	A19
Color	Soft White
Color Rendering Index	95
Color Temperature	2200 Kelvin
Connectivity Technology	Normal bulb
Control Method	Touch
Controller Type	Push Button
Customer Reviews	4.0 4.0 out of 5 stars (88)
Global Trade Identification Number	50046677573473
Incandescent Equivalent Wattage	60 Watts
Included Components	LED A19 Light Bulbs (8)
Indoor Outdoor Usage	Indoor
Item Type Name	Light Bulb
Light Color	Soft White
Light Output Maximum	800 Lumens
Light Source Operating Life	15000 Hours
Light Source Type	LED
Light Source Wattage	8 Watts
Light Type	LED
Manufacturer	Signify North America Corporation
Manufacturer Part Number	573477
Material Type	Glass
Model Name	8A19/PER/UD/CL/G/E26/WGD 4/2PF T20
Model Number	573477
Number of Items	8
Package Quantity	1
Power Consumption	8 Watts
Shape	A
Specific Uses For Product	Decoration
Style Name	A19
Unit Count	8 Count
Voltage	120 Volts
Wattage	60 watts
White Brightness	800 Lumens

Philips LED Flicker-Free Dimmable A19 Light Bulb, EyeComfort Technology, 800 Lumen, Soft White (2200-2700K), 8W=60W, E26 Base, Ultra Definition, Indoor, Title 20 Certified, (573477) 8-Pack

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