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discharge of air have to be fulfilled.
The installation instructions for range
hoods with accessible metallic
enclosures of class II construction
shall include details that indicate the
location and maximum permitted
lengths for any fixing or mounting
screw or other fixing device that
penetrates into the range hood to
attach an accessory such as a facia or
duct fitting.
Where fixing or mounting screws, or
other fixing devices are used, that
penetrate into the range hood with an
accessible metallic enclosure of class
II construction, to attach an accessory,
the instructions shall indicate the
required location of these screws or
fixing devices and include the
