T&L Publications

Not sure of your wiring, but even if you put the two resistors in series, across the 12 volts, you'd still be OK having them fully shrink wrapped. That's resistors and joints.
Try it and see!

Ignore my last post, Ramdude- that was for ceramic resistors-high power.
Your resistors ought to be fine in shrink tubing.

dacflyer- Have you tried Cameron & Barkley for Ledtronics SMT's?
http://www.cambar.com/
Happy lighting!

Ceramic resistors are usually used where some power must dissipate, meaning open to the air or attached to a heat sink. Depending on their size, best to metal clip or strap them to a metal wall, away from heat-sensitive material. Allow airflow, and shrink wrap the wires and joints.

Yes, those would work. Do take care with the 120 VAC!

The simple, linear, and powerful solution.........
Add 4 batteries!

Permeable: "having pores or openings that permit liquids or gases to pass through ".
No gases pass through quartz, except for a few hydrogen atoms.

Couple of points: You would have trouble measuring the amout of water inside a properly made bulb. Ergo, no available oxygen for oxidizing tungsten. Most lamp bulbs are made of inexpensive glass, not quartz. Yes, quartz for high temperature and high pressure lamps, but ordinary lamps are glass. Besi...

Why not a 100 FARAD capacitor?
http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... me=MERC_VI

Over voltage may do that. Filament melts, then evaporates under the vacuum, and coats the inside of the bulb.

Have to ask the Muffin Man.

Chava, we were only trying to help with the limited information you provided.

"Ow about a 'earring test?
http://www.phys.unsw.edu.au/~jw/hearing.html

Thanks Edd! Tis still a fine piece of engineering!
Even magnetic bearings!

No prob, Edd! Seems you speak a bit of oriental!
Apology accepted!
Chava, if you would buy, I'll go to Thailand and get whatever you need!
(I'll bet even o-silly-scopes are cheap there!)