The IP code always begins with the letters "IP" followed by two characteristic numerals, and sometimes one or more optional letters. The table below breaks down exactly what each digit signifies, providing a clear reference for anyone who needs to specify or interpret an IP rating for an electrical enclosure.
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To legally test a product, your lab must build or buy probes exactly as dimensioned. The best PDF includes scale-accurate vector drawings of: The IP code always begins with the letters
The first digit (0–6) signifies the protection against solid objects: No special protection. IP1X: Protected against solid objects (e.g., back of hand). IP2X: Protected against solid objects (e.g., finger). IP3X: Protected against solid objects (e.g., tools, thick wires). IP4X: Protected against solid objects (e.g., thin wires, screws). High pressure/temp jets To legally test a product,