Regarding electrical safety and protection devices:1.An RCCB (Residual Current Circuit Breaker) protects against earth leakage currents,which helps prevent electric shocks.2.An MCB (Miniature Circuit Breaker) provides protection against both overload and short-circuit faults.3.Surge Protection Devices (SPDs) are designed to handle sustained overvoltage conditions.Which of the statements given above is/are correct?