1. Guarantee project
(1) The specifications of the wires and metal trunking must comply with the design requirements and relevant specifications.
(2) The insulation resistance between the wires and between the wires and the ground must be greater than 0.5MΩ.
2, the basic project
(1) Trunking. The cable trough should be close to the surface of the building, firmly fixed, horizontal and vertical, reasonable layout, no warping angle on the cover plate, tight and tidy connection, corner, corner, "D" connection, corner connection correct, strict, wire groove inner line No pollution.
(2) Bracket and hanger installation. Metal brackets can be used to fix brackets and hangers. Cartridges can also be used to fix trunking. Brackets and hangers should be arranged reasonably, securely and flattened.
(3) Line protection. When the line is inserted into the beam, wall, etc., the line slot should not be wiped on the building. The line slot is tightly connected with the electrical appliance, and the wire is not exposed.
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