... reasonably practicable, inspect his network with sufficient frequency so that he is aware of what action he needs to take so as to ensure compliance with these Regulations and, in the case of his substations ...

... only, we don't need to have RCD protection for that socket-outlet. Obviously, we don't want the freezer going off because of a temperamental RCD while we're away on holiday. However, the idea that ...

... 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 ...

... indicate the need or degree of protection to be applied to lessen the expected potential interactions. In general, the further apart the materials are in the galvanic series, the higher the risk of ...

... systems, all rotating parts do not usually operate at the same speed. Thus, we need to determine the "equivalent inertia" of each moving part at a particular speed of the prime mover. The total ...

... change in domestic usage. The one having most impact was the gradual introduction of central heating, which removed the need for supplementary electric heating. Increasing prosperity led to the purchase ...

... have an installation where the main socket works and the remote in the garage roof doesn't. You need to test the continuity of the circuit. So you can use a very long lead with and a test meter - ...

... use of the armouring is as a CPC is not allowed in the “regs” (BS7671). An external CPC is needed as the SWA is not big enough. An internal core is needed as a CPC as the SWA is not big enough. ...