5W scene switch LED Bulb for home marine 12V, AC 85V~265V, GU5.3 GU10 MR16 E27 Switching change color temperature 3000k-4000k-6000k3 ways led bulb vs Scene switch LED Bulb vs 3-step dimming LED bulb
How do I finding good 3 ways led bulb in 3 ways desk lamp which has 3 ways turn knob switch socket?
We always have trouble finding good 3-way LED bulb in three-way socket desk lamp which has 3 way turn knob socket switch. the lamp is in the maximum setting ( third) all the time. You only shut off the light using a light switch on the wall. Meaning we never turn the light on at the socket. Happen this problem is that all the other 3 ways led bulb are not a really 3 ways light bulb for 3 ways socket, They are a Scene switch LED Bulb or 3-step dimming LED bulb. We also supply this kind led bulb, See here link
3 ways led bulb vs Scene switch LED Bulb vs 3-step dimming LED bulb
A really 3 way light bulb has two filaments, a low and a high wattage one, and the switch has 4 positions: Off, Low, High, Both. If you hope finding good 3-way LED bulb in three-way socket desk lamp which has 3 way turn knob socket switch, First must to know how a 3 ways light bulb work with 3-Way Turn Knob Lamp Socket. The animation below shows you how a 3-way 2-circuit switch socket works with a 3 ways led bulb.
See image below, For 3-step dimming LED bulb, Light will shift to the next brightness level within 5 seconds from OFF to ON. (Beyond 5 seconds, light will reset to the default 100% brightness). Scene switch LED Bulb, Light will shift to the next color temperature 6000k-3000k-4000k within 5 seconds from OFF to ON. (Beyond 5 seconds, light will reset to the default color temperature 6000k).
3 Way Sockets Vs. 3 Terminal Sockets
Lamp sockets come in a variety of styles, colors, finishes, materials, and flavors. Note: Don't check the flavor of your socket while the lamp is plugged in! There are seriously a lot of things to choose from, but did you know there are also different socket interiors? The socket interiors sit inside the socket shell and come in keyless, push-thru, pull chain, and turn knob. Maybe the most complicated socket interiors are the 3 way and 3 terminal interiors. Below image is 3 Way Sockets vs 3 Terminal Sockets.
A real 3 ways led bulb must has a E26 three ways screw base which has two contacts on the top, See below image.
A 3-way lamp requires a 3-way bulb and 3 ways socket, and a 3-way switch, Or 3 way socket which has 3-Way Turn Knob switch Interior.
The switch used to control a 3-way lamp is usually a rotary switch or a pull-chain switch. Although it is referred to as a 3-way switch, it has four positions, off, lamp one (low), lamp two (medium), and lamps one and two (high). When properly connected to a 3-way socket containing a 3-way bulb, this switch will first power one filament, then the other filament, then both, then return to the off position. To do this, the switch must be capable of operating two different circuits. Internal to the switch there are two sets of switch contacts that are not connected electrically, but which are connected mechanically in such a way that they operate together as shown in this table.
Lamp function Switch one Switch two
Off Off Off
Low, lamp one On Off
Medium, lamp two Off On
High, lamps one and two On On
I recommend you buy our Best 3 way led light bulb, E26 3 way 2 circuit two filaments replacement, E26 3 way 2 circuit two filaments led for 3 way turn knob lamp socket. The 3 way led light bulb has two filaments-one for low (warm white 3000k) and another for medium (cool white), then together they produce high (soft white 4000k). This is 3 way led bulb for desk lamp which has 3-Way Turn Knob Lamp Socket Interior. Most application in hotel and living room.
E26 A22 bulb 3 way led bulb 4W-8W-14W for 3-Way Turn Knob switch Lamp Socket Interior. 12V 24V 36V 48V AC100-277V application for hotel bedroom
E26 A21 bulb 3 way led bulb 4W-8W-12W for 3-way 2-circuit switch Socket Interior. 12V 24V 36V 48V AC100-277V
E26 A19 LED bulb 8W 3 way led bulb for 3-way 2-circuit switch Socket Interior. 12V 24V 36V 48V AC100-277V