ok, leak detection 101
most hobbist electronics stores have water sensor kits for ~$10 that have 2 contacts and sound an alarm when wet
- use pieces of screen insulated with a paper towel on the contacts, and tape to the underside of all wbs, etc. near the mobo or video card
this can be rigged for a hard shut down as well
(works to preclude disasters on unattended test benches as well)
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