the-Regs : BS7671 18th Edition Online Training
BS 7671: 18th Edition Wiring Regulations – Study when you want and pass your exam when you're ready…
Wiring a Shower. Perhaps one of the easiest circuits to install is the one that feeds a shower. Although it’s just a simple radial circuit there are a few pit holes you’ll need to avoid. We are going to assume that we are dealing with a domestic installation and as such Volt Drop will not … Read more
Key Points of… Isolation: 537.2 Every circuit / installation must be provided with a method of isolation from the supply. This isolation device should also be provided with a method to prevent unintentional or inadvertent reinstating (usually lockable). In a TN-S or TN-C-S system it is not necessary to isolate / switch the neutral conductor … Read more