What is a 7443 bulb used for?

The SYLVANIA 7443 Long Life Mini Bulb makes a perfect direct replacement solution for your car or truck’s interior or exterior lighting. These bulbs offer increased longevity, and have been engineered to withstand a sizeable amount of road shock and vibration.

How does a 7443 bulb work?

The 7443 is a dual contact (d.c.) bulb (Shown left). The dual contacts are connected to 2 separate circuits inside the bulb. One for bright or high beam (braking/turn signals) and one for dim or low beam (running/parking lights). The 7443 has four separate wire contacts protruding from the bottom.

What is the difference between a 7440 bulb and a 7443 bulb?

What is the difference between 7440 and 7443 bulb? 7443 is dual filament for our front parking/turn signal. 7440 is single filament for rear signals and sedan reverse lights.

What is this bulb used for?

A light-bulb produces light from electricity. In addition to lighting a dark space, they can be used to show an electronic device is on, to direct traffic, for heat, and for many other purposes.

What type of bulb is a standard light bulb?

A19 bulbs are the most common light bulb shape, so this is what you’ll see the most.

Can I use 7443 instead 3157?

BigRed97 said: 7443 is a totally different base(the part that plugs into the socket) than a 3157.

Are 3157 and 4157 bulbs interchangeable?

The 3157 &amp, 4157 have the same lumens (as each other), but different wattage. And actually if you look in our Milan owners manual it shows th 3157 as the replacement bulb for the rear even though my car has 4157’s in the rear now.

What does na mean for bulb?

-NA stands for Natural Amber. -K stands for Krypton Gas which is used to make the bulb a LL(Long Life) bulb.

Is 7443 and 7444 the same?

7443 and 7444 are both clear/white automobile light bulbs and 7443NA and 7444NA are both Natural Amber/yellow automobile light bulbs. All four bulbs are dual filament which means they are two light bulbs in one. 7443/NA is rated at 12 volts 21/5 watts and 7444/NA is rated at 13.5 volts 28/8 watts… see more.

What does na mean for car lights?

north american headlight bulbs are high and low in one.


What things use light bulbs?

Lightbulbs are a large part of everyday life. They light up everything from rooms to appliances that we use all over our homes, especially in our kitchens. They’re in microwaves, ovens, refrigerators and in lighting fixtures.

Where do we use light bulbs?

While you may not realize it, LED bulbs are quickly changing the world in many ways beyond just illuminating homes and businesses.

Beyond the bulb, LEDs have many unique applications.
  • Vehicle Lighting. …
  • Televisions. …
  • Decorative Lighting. …
  • Street Lights. …
  • Signs.

What are the things necessary to light a bulb?

A complete electrical circuit is required to make a light bulb light! … This can be made with a copper wire, a battery, and a light bulb connected to form a closed loop or complete circuit. Charges need a “push” to move them in the same general direction to produce a current.

What color light is best for kitchen?

Warm white (3,000 to 4,000 Kelvin) is more yellowish-white. These bulbs are best suited for kitchens and bathrooms. Bright white (4,000 to 5,000 Kelvin) is between white and blue tones.

What kind of light bulbs are used in houses?

There are four main types of light bulbs that are commonly used in homes:
  • Incandescent Bulbs. Also known as Edison bulbs, incandescent bulbs are the traditional, filament light bulbs that most of us grew up with. …
  • Compact Fluorescent Bulbs (CFLs) …
  • Light Emitting Diode Bulbs (LEDs) …
  • Halogen Bulbs.

Which bulb is white light?

Bulbs that provide light at around 3000K to 3500K may be considered “white” or “soft white.” Bulbs that provide light at around 4100K to 5000K are considered “cool white” and these start to have a slightly blue feel to them.