الحمد لله والصلاة والسلام على رسول الله وعلى آله وصحبه أجمعين choosing Weatherproof Enclosure and outdoor electrical enclosure products Selection Tips DETAILED TECHNICAL SPECIFICATION Weatherproof enclosure must be factory fabricated from an approved switch board manufacturer and must be dust and water protected complying with I.E.C. No. 144 Degree of Protection IP 54 Weatherproof enclosure must be provided with hinged doors with suitable latching arrangement. Weatherproof enclosure with screwed and bolted door not acceptable The hinges and latches must be of non-corrosion materials and the best in their kind The weatherproof enclosure must be of robust construction to withstand rough handling as well as the climatic conditions Weatherproof enclosure must be fabricated from galvanized steel sheet not less than 2 mm thickness Weatherproof enclosure must be provided with suitable internal and external earthing terminals Entry and exit conduits or cables to the weatherproof enclosure must always be from the button with proper sealing arrangement Enclosure must be of ample size to house the switchgear without obstructions The surface of weatherproof enclosure must be treated after fabrication as the following a) Sand blasting to roughen for the surface b) One zinc chromate priming paint c) The coats of approved durable oil weather resisting paint The relevant dimensioned and detailed drawing of the weatherproof enclosure must be submitted along with the materials في أمان الله
