Students training aid for testing continuity of the CPC and polarity of a 2 way lighting circuit. Full demonstration using a MFT Megger tester set on the ohms scale.
Demonstration shows how to set up your Megger MFT tester and carry out an insulation resistance test for a 2 way lighting circuit. Test voltage is 500V DC and the minimum acceptable value according to BS 7671 1 megaohms with further investigation when the reading falls below 2 megohms. Also shows and explains the need to switch both 2 way switches into the other on position and repeat the insulation resistance test.
Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2, 3 plus AM2, AM2S and AM2E.
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2 окт 2024