The acceptance of electrical engineering must be carried out by professional and technical personnel, based on the \"Electrical Installation Engineering Construction and Acceptance Code\" (GBJ232-83) and the \"Electrical Installation Engineering Quality Inspection and Assessment Standard\" (GBJ303-88), and using appropriate instruments and equipment for testing and assessment. Line laying 1. The cross-sectional area, load, connection, and laying method of the conductor must meet the design requirements. 2. The connection of the conductor must be tight and firm, and there must be no broken strands or damage at the connection. 3. The insulation layer must be intact and reliable, and the insulation resistance between the conductors and between the conductors and the ground must be >0.5Ω. The surface of the porcelain parts is strictly prohibited from having defects such as cracks, defects, and burnt glaze. 4. When pipe wiring passes through expansion joints and settlement joints, there should be expansion devices, and when passing through deformation joints, there should be compensation devices
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