RCD: Residual Current Device, Proper name is RCCB , BS 61008, Disconnects Earth Faults (Large or Small), Type AC required for domestic installtions, MCB: Miniature Circuit Breaker, BS 60898, Disconnects Overcurrent (Overload or High Fault Currents, Discriminated between Overload and Fault, Type B for domestic installation, Type C for fluorescent lights /small motors, Type D x-ray machines, transformers, MRI, RCBO: Residual Current Breaker with Overload, BS 61009, Disconnects all faults , Cartridge fuse (for Plugs): BS 1362, To protect flex cable to appliances, Semi-enclosed Fuses: BS 3036, Also called re-wireable fuses, Will disconnect Overcurrents , Doesn't discriminate between short circuit and overload, Cartridge Fuses (industrial): High Rupturing Capacity (HRC), BS 88-2, Also called High Breaking Capacity (HBC), Can break very High Overcurrents, Cartridge Fuses ( domestic use): BS 88-3, Used as cut-out fuse in supply head, Disconnects Overcurrents,
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Protective Devices 1
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