For connecting a 15 hp, 415V, 3-phase, 50 Hz induction motor located 20 meters from the 3-phase supply in a chemical factory, you should use suitable copper or aluminum conductors for the wiring. The wire gauge should typically be at least 4 mm² or larger, depending on the load and local electrical codes. Materials required include three-core armored cable (for mechanical protection), appropriate circuit breakers or fuses, terminal blocks, and cable glands. Additionally, ensure to have conduit or cable trays for proper installation and protection.
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