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gaws79
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Join Date: May 2008
Posts: 1

Return Plenum

05/14/2008 5:59 AM

Are return plenums no longer legal in commercial properties specifically located in Northern Virginia?

Building is almost 42 years old.
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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Re: Return Plenum

05/14/2008 7:59 AM

Regulations are not retrospective. The majority of homes in the UK, for example, are not wired to the latest edition of BS7671.

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