Can Your Installation Rely on a TT Earth Electrode

UK electrician Matt walks you through the mains end of a TT earthing arrangement that has had a very poor looking earth electrode for the past 15 years. Up until Matt investigated the old gas pipe that was being used at the earth electrode and was corroded as it entered the ground. So under normal installation condition the old earth electrode and the metallic incoming gas and water pipes were providing a very good connection to earth. The problem on this site is the earth electrode was an old gas pipe rotten at the point it entered the ground so if the incoming gas and water were upgraded to plastic the installation could have little or no connection to earth. To improve the installation Matt could install a new earth electrode but he has decided to upgrade the installation to PME. In this video we take a look at the new consumer unit with a type 2 SPD and RCBO's.

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== 🕐 Time Stamps - Cut to the action 🕕 ==

00:00 - Consumer unit change
00:26 - Pre test results
00:53 - MCBs ready for SWA cables
01:13 - Ready for extra circuits
01:37 - MET
02:18 - Service head upgrade
02:57 - Earth electrode
04:25 - Is it Instagram ready Matt
05:27 - Fault finding
06:35 - 3mm sleeving

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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