http://www.electricalreference.co.uk Electronic Libirary Of Electrical Information Thu, 05 Aug 2010 00:04:28 +0000 http://backend.userland.com/rss092 en Please note that this is a dead test and the circuit must be isolated when testing  Top be carried out on radial circuits to ensure the CPC of the circuit is undamaged and connected throughout the circuit  The highest reading should be obtained from the furthest part of the circuit. If the ... http://www.electricalreference.co.uk/?p=25 1. Safely isolate the supply 2. Disconnect one end of the conductor, preferably the end at the consumer unit. 3. (Null out test leads) or ( record and remember to subtract from end result) 4. Connect one test lead at the consumer unit's disconnected end 5. Connect the other test lead to the metal ... http://www.electricalreference.co.uk/?p=24 Description of test Performing this test is to ensure that there is continuity throughout the circuit, that there are no breakages and conductors have been connected correctly. Be sure you have isolated the supply before beginning the test.   Methods             Test method 1 : Short lead Test             Test method 2 : Long lead ... http://www.electricalreference.co.uk/?p=22 Having a Consumer Unit with an rcd as a main switch and just mcbs, not on a split board contravenes the regulations in the 17th edtion under reg, 314.1 (see also 314.2) An Rcd as a main switch when tripped due to the failure of a circuit or due to nuisance ... http://www.electricalreference.co.uk/?p=21 Hello, just a little information about Steel Armoured Cable (SWA) Steel Armoured Cable is protected by a sheath of galvanised steel. This makes it suitable for direct burial, cable ducting or it can be surfaced mounted without any further protection. It can be used for indoors and outdoors. Steel Armoured Cable ... http://www.electricalreference.co.uk/?p=20 First Number Meaning Second Number Meaning Refers to protection against solids   Refers to protection against liquids   0 No protection 0 No protection 1 Protected against solid objects over 50mm (e.g. accidental touch by the hand) 1 Protected against water falling vertically 2 Protected against solid objects over 12mm (e.g. accidental touch by the finger) 2 Protected against direct sprays from up to 15 degrees from vertical 3 Protected ... http://www.electricalreference.co.uk/?p=18 test http://www.electricalreference.co.uk/?p=17 Test http://www.electricalreference.co.uk/?p=16 wow arent they amazin http://www.electricalreference.co.uk/?p=15 This is going to explain how to deal with 1 way switching http://www.electricalreference.co.uk/?p=14