**Explosion-proof equipment** must be certified to ensure compliance with safety standards. It should be accompanied by an official certificate issued by the National Explosion-proof Electrical Product Quality Supervision and Inspection Center. All accessories, spare parts, and components must be complete, and detailed technical documentation should be provided. Additionally, all cables and insulated wires used must also come with a certificate of conformity to guarantee their quality and safety.
When installing the main circuit of an **explosion-proof distribution box**, the route should be as short as possible to reduce costs and simplify installation. The path should avoid complex terrain and geological challenges, ensuring a more straightforward and economical layout.
It is important to minimize the use of farmland and avoid areas prone to natural hazards such as depressions, flood-prone zones, ground subsidence, or unstable slopes. The route should also avoid places that are vulnerable to vehicle damage or accidental contact.
The installation should not take place near areas where hazardous materials—such as flammable or explosive substances—are produced or stored. This helps prevent potential risks and ensures the safety of both personnel and the surrounding environment.
Whenever possible, the wiring for the **explosion-proof distribution box** should be installed in locations that are easily accessible for maintenance and future operations. This improves efficiency and reduces downtime during inspections or repairs.
During the planning phase, the selection of the route should consider the importance of nearby buildings and take into account future urban development and power grid expansion. A certain amount of space should be reserved to allow for future growth and modifications.
**Explosion-proof distribution boxes should avoid the following areas:**
- Areas designated as national memorial sites or protected historical zones.
- Residential yards or areas with dense vegetation, such as tree clusters.
- Regions prone to flash floods, landslides, or other natural disasters. Avoid impassable mountainous regions, lakes, and areas with unstable geological conditions.
- Locations where flammable, explosive, or corrosive materials are stored. These include areas with high concentrations of harmful gases, liquids, or severe contamination.
**Explosion-proof distribution boxes are suitable for environments with explosive gases**, including:
- Hazardous areas classified as Zone 1 and Zone 2.
- Environments containing Type IIA, IIB, and IIC explosive gases, with temperature groups ranging from T1 to T4.
By following these guidelines, the installation and operation of explosion-proof equipment can be made safer, more efficient, and compliant with industry standards.
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