This explains why the nature of the headlight matters.
Vivarium heat bulb keeps blowing.
Normally when the headlights are used more often chances are they will also burn out easily.
I keep quite a few high temp lizards collared lizards uros and a couple of savs in 10 different largish enclosures and i use a mix of regular incandescent and halogen full spectrum spots for the basking and heat bulbs.
Main causes of headlight bulbs blowing the type of bulb.
The timer and the lights plug into the surge protector.
As a last resort you can also check the tightness of the connections in your switch.
Bearded dragon s heat bulb keeps blowing.
Basking bulb keeps blowing out.
The wire connections inside your bulb holder.
Most thermostats operate like a heat controlled switch full on full off.
If the spring loaded connectors are working properly inside the bulb holder.
Headlights are vital as they help us to drive during the night.
By blowing i m assuming you mean the lamp keeps burning out and not actually exploding.
So three things to look into if your bulbs keep blowing.
My gut response without being able to take a look at your setup is that your lamps are being worn out prematurely by too much off and on.
By kristent mon feb 13 2012 8 12.
Just play around with the wattage until you hit the temp range your lizards need and make sure you use fixtures with.