@theelectricalgyan: This image illustrates a guide for selecting circuit breakers based on wire thickness to prevent electrical hazards. Safety Matching: The guide shows that using an undersized breaker for a specific wire thickness will cause frequent tripping, while an oversized breaker can allow wires to overheat before tripping. Wire Applications: Smaller wires like 1.5mm are suitable for lighting, while larger 10mm wires are used for heavy main power supplies. Key Detail: The chart recommends specific pairings, such as matching a 2.5mm wire with a C16A circuit breaker for standard power sockets. For more specific electrical planning, I can help you find guidelines for specific appliance loads if you provide their power requirements.