Electrical engineering installation: 1, household size distribution box set, must be based on the actual open space may be required; total household must be set to open (the poles) + leakage protection (the desired location for the four-chip number, breaker open space for qualified products) lifting equipment, in strict accordance with the brightest figure divided open space and wiring, and marked each open space using the old road. Distribution box installation must have a reliable ground connection; 2, with the landlord to determine the switches, sockets brand, verify doorbell, door light power, proofreading drawings are consistent with the site, to be inconsistent with the customer's consent when the machine should be adjusted to pay signature; 3, electrical wiring are used CSI BV single strand copper wire, PVC wear dark hollow floor laying, except cast roof) for smooth vertical and horizontal direction, walk along the flat top corner, but there is no ceiling moldings 80mm cream shade time to go Ф20mm, Ф15mm each one, in strict accordance with the wiring diagram (1.5mm2 lighting equipment lifting handling, socket 2.5mm2, part of the electrical power used 4mm2,) may not have joints and kink in the pipe, both with the new line. Prohibit direct wire buried ash layer (using the yellow wax sets of lines in case of mud when concrete); 4, the inner tube of the total cross-sectional area of ??the wire must not exceed 40% of the cross-sectional area of ??the pipe diameter. Some go the same way with the same lighting can penetrate inside a tube aerial lifting equipment, but the total number of wires inside the tube and not more than 6; 5, telephone lines, TV cable, computer cable into the family line shall not be moved or closed, is strictly prohibited weak lines and wires installed in the same duct (including through the switches, sockets and other cassette with cassette), both straight line from the corner of the ground; 6, non-random changes in gas pipes and meter location, conduit and gas tube spacing in the same plane not less than 100mm, different planes of not less than 50mm, electrical switch and outlet gas pipe spacing of not less than 150mm 7, the line inside the box reserved for the mechanical and electrical installation qualification wire length standard is what an enterprise undertaken over the past five years, two individual project contract the amount of 2.5 million yuan more than the installation of mechanical and electrical equipment lifting equipment, engineering quality standards. 2, business manager with more than 5 years experience in project management; technical leader with more than 5 years of mechanical and electrical equipment installation technology management experience and has more than mid-level professional titles; financial officer have intermediate accounting titles. Enterprises have the title of engineering and economic management of at least 30 people, including engineering and technical personnel at least 15 people; engineering and technical personnel, personnel with intermediate professional titles of less than five people. Enterprise has more than three qualified project managers at least five people. 3, enterprises registered capital of 300 million yuan, net assets of more than 3.6 million yuan. 4, the business nearly three years the highest annual income of 500 million yuan project settlement. 5, enterprises have to adapt contracted projects range of construction machinery and quality testing equipment. Equipment lifting shift, Shandong Lu lifting (certified), hoisting equipment provided by the Shandong Zaozhuang in Shandong Machinery Equipment Installation Company. Shandong Lu Machinery Installation Co., Ltd. (www.sdlzqz.com) Shandong Jinan, industrial maintenance, installation of leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Lifting leadership in Shandong Lu staff warmly welcome all inquiries negotiations to create Shandong Lu lifting a better future.