International Electrotechnical Commission
Glossary

ENindoor, unconditioned 
equipment environmental classification in which the PCE is fully covered by a building or enclosure to protect it from direct rain, sun, wind-blown dust, fungus, and radiation to the cold night sky, etc,, but the building or enclosure is not conditioned in terms of temperature, humidity or air filtration, and the equipment may experience condensation

TC/SC:82Terms     Info     Publications
Published in:IEC 62109-1, ed. 1.0 (2010-04) Terms     Info
Reference number:3.36

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