open cabinet means a professional refrigerated storage cabinet whose refrigerated enclosure can be reached from the outside without opening a door or a drawer, where the mere presence of one compartment which can be reached from the outside without opening a door or a drawer, with a net volume equivalent to less than 20 % of the professional refrigerated storage cabinet's total volume, is not sufficient to qualify it as such;
open cabinet is an Equipment Cabinet with at least one door perforated or no doors at all and/or side panels .