Earth Continuity Test Maximum Allowable Resistance As3000. Intelligent Earth Network Grounding Resistance Tester Earth Ground Continuity Test Equipment The earth continuity test One of the following two tests should be carried out 8.3.6 Insulation resistance 8.3.6.1 General Insulation resistance testing shall be carried out to ensure that the insulation resistance between all live conductors and earth or, as the case may be, all live parts and earth, is adequate to ensure the integrity of the insulation.
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Where the R value is the resistance of the protective conductor (earth wire) within the supply cable The resistance of the main earthing conductor, measured between the main earthing terminal/connection or bar and the earth electrode, including the connection to the earth electrode, shall be not more than 0.5 Ohm.
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Put simply this ensures that an 'earth' exists and it is suitable to ensure the fuse/circuit breaker will operate before a piece of 'faulty' equipment becomes 'live', potentially killing somebody. 4.7.1 Earth continuity tests (a) The main earthing conductor between the main switchboard and the earth electrode is continuous and the resistance of the main earthing conductor does not exceed 0.5 ohms. The earth continuity test shall meet the requirements of AS/NZS 3000 and shall be tested in accordance with the procedures outlined in Clause 4.4 of AS/NZS 3017.
PPT EKAS 2.19.31 Flexible cords and plugs to 1000 V PowerPoint Presentation ID3673003. These values may be used when testing for earth continuity all plant, electrical equipment and flexible electrical cords should be inspected for wear and mechanical damage and tested for earth continuity and insulation resistance prior to first use, and every three (3) months thereafter.
Ground Continuity Test Procedure. In practice when PAT testing, measuring the actual resistance of the earth wire within the cable is impractical, therefore the R value is usually calculated using Table V1.1 in the IET Code of Practice 4.7.1 Earth continuity tests (a) The main earthing conductor between the main switchboard and the earth electrode is continuous and the resistance of the main earthing conductor does not exceed 0.5 ohms.