How To Ground The Outdoor Cabinet And Protect Against Theft

Outdoor cabinets are mainly used in various complex outdoor environments. The voltage resistance requirements of the cabinets should meet the GB4942.2-Low-voltage electrical enclosure protection level standard. Today, the outdoor cabinet manufacturer Hop Technology will take everyone to understand the grounding and anti-theft protection of outdoor cabinets.

Ground protection:

1. The cabinet should be equipped with a grounding bar, the grounding bar should be made of copper material, its cross-sectional area is not less than 50mm, and at least 8 connection screw holes of appropriate size and corresponding copper screws should be reserved.

2. The metal parts of the cabinet should be interconnected and grounded, and the connection resistance between any two points should be less than 0.1Ω.

3. The protective ground of other equipment in the cabinet should be connected to the ground bar, and the ground resistance of the ground bar should be less than 4Ω.

4. All grounding connections in the cabinet should use yellow-green cables with outer sheaths, and copper core wires with a conductor cross-sectional area of ​​not less than 16mm.

5. The grounding connection point should have a clear grounding mark.

Anti-theft protection:

1. The enclosure door of the cabinet should be installed with an anti-theft lock, and the bolts to fix the cabinet must be installed and disassembled after opening the cabinet door.

2. The anti-destructive performance of the locks used in the cabinet shell shall meet the requirements of Class B in GA/T 73-1994.