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Wiring principle of low voltage apparatus
Source: | Author:yingboen | Published time: 2021-06-06 | 655 Views | Share:

Open wire wiring

During manual wiring (non model and mold wiring), it shall meet the requirements of straightness, tidiness, close to the laying surface, reasonable wiring and no loose contact for maintenance.

1. The routing channels shall be as few as possible. The submerged conductors in the same channel shall be classified and concentrated according to the main and control circuits, and the single-layer shall be arranged in parallel or in bundles, which shall be close to the laying surface.

2. The length of the conductor shall be as short as possible and can be crossed horizontally overhead, such as the connection between two element coils and the connection between the main contacts. It may not be close to the laying surface when a certain margin is reserved.

3. Conductors on the same plane shall be consistent in height or front and rear, and shall not be crossed *. When it is necessary to cross *, it can be crossed horizontally overhead, but the routing must be reasonable.

4. The wiring shall be horizontal and vertical, and the change direction shall be vertical by 90 °.

5. If the upper and lower contacts are not under the same vertical line, oblique line connection shall not be adopted.

6. When the conductor is connected with the wiring terminal or wire pile, the insulation layer shall not be pressed, the coil shall not be reversed, and the exposed copper shall not be greater than 1mm. The distance between conductors of different contacts of the same element and the same circuit shall be consistent.

7. There shall be no more than two connecting wires on the wiring terminal of an electrical element. Generally, only one connecting wire on each wiring terminal board is allowed to be connected.

8. During wiring, it is strictly prohibited to damage the insulation of wire core and conductor.

9. When the cross-sectional area of the conductor is different, the one with large cross-sectional area shall be placed in the lower layer and the one with small cross-sectional area shall be placed in the upper layer

10. When multiple wires are routed (main circuit), the whole shall be in the same horizontal plane or

Comprehensive tester for low voltage apparatus

Comprehensive tester for low voltage apparatus

Same vertical plane. 

11. If the line is simple, no coding sleeve can be set.