Download e-book for iPad: Practical Guide to Inspection Testing and Certification of by Christopher Kitcher

By Christopher Kitcher

ISBN-10: 0750684496

ISBN-13: 9780750684491

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STEP 2 Connect to main earth terminal Connect to phase conductor At each point on the circuit test between phase and CPC. Terminal of switch return Earthing terminal Earthing terminal Switch return Testing of Electrical Installations 41 Keep a note of the readings as you carry out the test, they should increase as you move further from the connected ends. The highest reading obtained should be at the furthest end of the circuit and will be the R1 ϩ R2 of the circuit. This value should be recorded on the schedule of test results.

These documents could include: • • • • Plans Drawings Previous test results and certification Fuse charts You should also make it clear that you will require access to all parts of the building and that the electricity supply will need to be turned off at some point. It is also a good idea to ask the client if they are aware of any alterations that have been carried out, as this information may be useful to you during inspection. The visual inspection of any installation is as important as any testing that is carried out on an installation; if you are not familiar with the building it is also a good opportunity to find your way around first.

Remember! It must start at the main earthing terminal. What size is the equipotential bonding? Is it large enough? Is there a residual current device (RCD)? If so has it a label attached? Is it a voltage or current operated type? Do the enclosures meet required IP codes? (Regulation 412-03-01) If alterations have been carried out is there documentation available for them, along with test results? Where alterations have been carried out since January 2005, has a warning notice been fitted on or near to the distribution board to indicate that new colours have been used?

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Practical Guide to Inspection Testing and Certification of Electrical Installations Conforms to by Christopher Kitcher

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