3057K - Design AMPS: 2.1, Rated Life: 2,000 4057K - Design AMPS:2.23, Rated Life: 4,000
kilowatts
The kx bulb has an extra pair of wire contacts (4 instead of 2) per side. This decreases the amount of current each contact has to handle and decreases the amount of heat build up on the socket. The regular 3057 or 3057K bulb can be used, but it will probably burn out a bit faster and can damage the socket over time.
Yes, one is just a little bright than the other. Done it no problem.
You can unscrew a light bulb.
Sylvania 4057k Some stores will have them listed as 4057LL... but it's the same I've seen the Sylvania 3157LL bulb work as well. Here's a visual step-by-step of the process:
it is difference between wet bulb temperature and dry bulb temperature.
A light bulb can be unscrewed. Hahaha
wet-buld depression
whats the difference between a 3157 and a 3457 bulb
Words are used interchangeably.
power difference
what is the difference between bulb angle and bulb flat used in ship building