While such bulb designs are usually made to imitate incandescent bulbs, inside is a cluster of LEDs lighting up together to produce the light-bulb effect. HID (high-intensity discharge) via: Wikimedia ...

Because the names refer to different parts of the light bulb, they don't cancel each other out. However, there are other-shaped bulbs that also use the E26 bulb base.

O ne of the things you learn as a homeowner is how many different types of light bulbs there are. ... appliance bulbs usually draw somewhere between 10W to 50W and often use an E17 screw base, ...