Method 2 will only give you an R2 reading and is generally used for condition reports where it is preferable not to unnecessarily disconnect circuits for testing .
Method 2 is utilised for testing main protective bonding conductors in new or existing installations.
Method 1 has the...
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Earthing systems - 8 questions relating to
Conduit and trunking factors - read question thoroughly and watch out for straight runs or with bend.
Table H2 - ring and radial circuits
Max Zs values and understand these are for conductors at 20 degrees as opposed to BS7671 figures for...
Has anybody got details of what I would need to build the 2392 testing rig at home. Taking the course in September and would like to have the board ready to practice on at home. Thanks.