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<p>[QUOTE=&quot;-jeffB, post: 2037517, member: 27832&quot;]Hey, Doug -- you know I respect your knowledge about coins, but you need to walk back the medical advice. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /> If you&#039;ve got your water heater set to 140-150 degrees, <b>TURN IT DOWN</b>.</p><p><br /></p><p><a href="http://www.burnfoundation.org/programs/resource.cfm?c=1&amp;a=3" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.burnfoundation.org/programs/resource.cfm?c=1&amp;a=3" rel="nofollow">The Burn Foundation -- Scald Burns</a></p><p><br /></p><p><a href="http://www.hotwater.com/lit/bulletin/bulletin34.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.hotwater.com/lit/bulletin/bulletin34.pdf" rel="nofollow">CPSC Burn Chart</a></p><p>[TABLE]</p><p>[TR][TH]Water Temperature ° F[/TH][TH]Time for 1st Degree Burn[/TH][TH]Time for Permanent Burns 2nd and 3rd Degree[/TH][/TR]</p><p><br /></p><p>[TR][TD]110[/TD][TD](normal shower temp)[/TD][TD]-[/TD][/TR]</p><p>[TR][TD]116[/TD][TD](pain threshold)[/TD][TD]-[/TD][/TR]</p><p>[TR][TD]116[/TD][TD]35 minutes[/TD][TD]45 minutes[/TD][/TR]</p><p>[TR][TD]122[/TD][TD]1 minute[/TD][TD]5 minutes[/TD][/TR]</p><p>[TR][TD]131[/TD][TD]5 seconds[/TD][TD]25 seconds[/TD][/TR]</p><p>[TR][TD]140[/TD][TD]2 seconds[/TD][TD]5 seconds[/TD][/TR]</p><p>[TR][TD]149[/TD][TD]1 second[/TD][TD]2 seconds[/TD][/TR]</p><p>[TR][TD]154[/TD][TD]instantaneous[/TD][TD]1 second[/TD][/TR]</p><p>[/TABLE]</p><p><br /></p><p>What&#039;s the difference between 130-degree water and 130-degree desert air? Water dumps heat into your skin, <i>fast</i>, because it&#039;s got a lot of heat <i>capacity</i>. Air doesn&#039;t -- in fact, desert air allows evaporative cooling, so your skin never <i>will</i> get dangerously hot until you get mortally dehydrated.</p><p><br /></p><p>A metal coin would be somewhere in the middle. Picking up a 140-degree coin would be painful, but it would be less likely to injure you than reaching into 140-degree water.[/QUOTE]</p><p><br /></p>

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