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International Energy
Conservation Code - IECC
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This code began in 2009.
It is now being enforced!
On Page 31 it requires
All electrical boxes
on exterior walls
must be air tight!
Most states have adopted this code!! |
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US Patent No 6,874,295 Granted April 5th, 2005
• Canadian Patent No 2,421,472 Granted January 10th, 2012
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