Meters for 220V plugs are
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November 23, 2008 at 5:03 am #10839
AnonymousInactive
Meters for 220V plugs are expensive. Here’s one that attachs at the panel for $250:
http://www.powermeterstore.com/p4124/eml_2020.php?p_tab=main
What kind of controller do you have? Many of the new one’s (at least those based off Bartlett controllers http://www.bartinst.com/kiln.html) can actually tell you exactly what a firing costs if you program in the cost per kwh.
Paul
FusedGlass.Org
Helios Kiln Glass Studio
PaulTarlow.com
