...  Fig 1.Consumer unit - 2x30mA RCDs + 30mA RCBO. Fig 2. As Fig 1, but fire alarm MCB protected. Fig 3. As Fig 2 but alarm sysem not shown (not mains ...

... protected by an RCD complying with Regulation 415.1.1, that is a device with a rated residual operating current not exceeding 30mA and an operating time not exceeding 40ms at five times the rated ...

... Such cables will need to be protected by an RCD rated at 30mA or below, even if they are in a safe zone. This has implications for lighting circuits, which - under the still current 16th Edition ...

... unit - 2x30mA RCDs + 30mA RCBO. Fig 2. As Fig 1, but fire alarm MCB protected. Fig 3. As Fig 2 but alarm sysem not shown (not mains op.)  ...

... with Regulation 415.1.1, that is a device with a rated residual operating current not exceeding 30mA and an operating time not exceeding 40ms at five times the rated operating current. Exceptions are ...

... cables will need to be protected by an RCD rated at 30mA or below, even if they are in a safe zone. This has implications for lighting circuits, which - under the still current 16th Edition - have ...