3. Preparation Work3.1 All test personnel must be on duty with a certificate and be given the technical and safety information, and make a good signature record. Before the test, fully understand the manufacturer's data, instructions and the measures.3.2 The test equipment/instrument used must be checked and qualified, and the factory test data and specifications are ready within the validity period. Use the test equipment/ instrument correctly during the test to eliminate man-made damage to the instruments and meters.3.3 Preconditions: Insulators have been installed in place, and the cleaning for them has been completed.3.4 The test area is flat and clean, all the ditches and holes have been covered and the site lighting is enough.3.5 The field temporary test power supply is ready.3.6 Main Tools and Machineries
3. Preparation Work<br>3.1 All test personnel must be on duty with a certificate and be given the technical and safety information, and make a good signature record. Before the test, fully understand the manufacturer's data, instructions and the measures.<br>3.2 The test equipment/instrument used must be checked and qualified, and the factory test data and specifications are ready within the validity period. Use the test equipment/ instrument correctly during the test to eliminate man-made damage to the instruments and meters.<br>3.3 Preconditions: Insulators have been installed in place, and the cleaning for them has been completed.<br>3.4 The test area is flat and clean, all the ditches and holes have been covered and the site lighting is enough.<br>3.5 The field temporary test power supply is ready.<br>3.6 Main Tools and Machineries
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