- When the width of the electrical distribution box is greater than 500mm and less than 800mm, the thickness of the steel plate should not be lower than 1. 5mm thick cold-rolled steel plates can be used. 2 mm thick. Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Check for proper IP/NEMA ratings and material quality. Ensure safe placement: install in dry, accessible areas with good ventilation and at appropriate height (typically ~1. Ideal for industrial environments where robust protection against fire and physical impact is necessary. Provides grounding capabilities, making them safer for high-power. The ideal location to install electrical distribution boxes should keep a distance from water, flammable and explosive substances and corrosive substances. If they need to be placed outdoors, especially in high humidity, you must ensure their waterproofness.
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