Improvements in and relating to flameproof electrical equipment

摘要

916,224. Switch cases. SIMPLEX ELECTRIC CO. Ltd. Feb. 6, 1961 [Nov. 7, 1959], No. 37828/59. Drawings to Specification. Class 38 (5). [Also in Groups XXXV and XXXVI] A flameproof casing comprising two compartments separated by a common boundary wall contains electrical equipment, such as switches, interconnected electrically by a multicore flameproof cable led through the common wall by a flameproof fitting (see Group XXXVI). The casing may be built up of separate units bolted together, the common wall being constituted by the face-to-face walls of the units.