Rcd Switchboard Wiring Diagram. Wiring of the distribution board with rcd single phase home. Rcbo wiring has both active and neutral so that it can detect leakage current.
1 2 0 0 4 t n 1 3 5 n 2 4 6 50mm 65mm 82mm 32mm 45mm 71mm. You can use a 4 pole rcd but you need to look at the wiring diagram on the side to see whether the test button is connected to two of the phases or between a phase and neutral in the latter if there is no neutral present then a resistor value depending on the test button circuit connected between one of the phases and neutral terminal will. Introduction definitions general tools rcd requiements and testing and certification requirements 2 11 introduction 2 12 definitions 4 13 general 8 14 tools 9 15 residual current device requirements 9 16 testing and certification requirements 10 section 2.
The neutral link is a very important part of the safety aspects of an electrical installation.
The following fig shows the basic consumer unit wiring installation with and without rcd protection for 230v single phase ac supply according to the old uk prior 2004 wiring color codes. The main switchboard and meter box 12 21 general 12. Wiring diagram of single phase distribution board with rcd in nec us iec uk eu electrical wiring color codes double pole mcb dp the isolator or main switch this is the main operating switch which is used to control the electric power supply in the building s. Wiring of the distribution board with rcd single phase home.