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1926.405(a)(1)(ii) Wiring in Ducts
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No wiring systems of any type shall be installed in ducts used to transport dust, loose stock or flammable vapors. No wiring system of any type shall be installed in any duct used for vapor removal or in any shaft containing only such ducts.
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1926.405(a)(1)(ii) Electrical, Wiring in Ducts
No wiring systems of any type shall be installed in ducts used to transport dust, loose stock or flammable vapors. No wiring system of any type shall ...
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