Students training aid for how to check the polarity of supply under controlled conditions within a college environment. Demonstration shows how to check an approved voltage indicator and carry out the test (LIVE) inside a single phase consumer unit.
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00:00 - First live test check the polarity of supply
01:35 - Testing the approved voltage indicator
02:38 - Testing supply polarity
04:09 - Testing the approved voltage indicator
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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