I have a 1996 Saturn with 212,000 miles on it and am "fixing" it up for my 16 year old granddaughter. I am wondering if there would be better illumination if I replaced the still "good" low beam headlight bulbs with new bulbs? Obviously I don't want to fork out over $40 if this won't make night...

Description: Wiring: Coming from the wall: 2 white (on the right side) and 2 black wires (on the left side) and no 5th wire (ground) that I can see. The wall wires are single strand copper. Wiring: The new thermostat (LUX brand basic 120/240 double pole) has 2 red wires = Line 1 & 2 (on the...

Why are some self-ballasted lamps/bulbs dimmable and some are not? What would happen if an "undimmable" lamp was put into a socket with a dimmer? Also, I'd like to know if a self-ballasted fluorescent lamp that says it uses only 25 watts but says to use in 100 watt applications can be used in a...