
Channel: John Ward (1)
Category: Science & Technology
Tags: ttearthing typercbosearth electrodett installationrcdsconsumer unit
Description: Some of the considerations when installing an electrical installation with a TT supply. ► Social Media: Twitter: twitter.com/jwflame Facebook: facebook.com/jwflame Instagram: instagram.com/jwflame ► Support this channel: Patreon: patreon.com/jwflame PayPal Donations: xo4.uk/?PPP Amazon: amzn.to/30bKt4v (As an Amazon Associate I earn from qualifying purchases) ► Cryptocurrencies: Dogecoin DOGE: DShDwFJyXKqCddwVsuCWWYnGpuhFrBMyam Litecoin LTC: LXQ4QRqztUq1KBQccxeLDivrdnas5fcHrc Nyancoin NYAN: KUiaPqoRcNnhXHcfWrgEYD5aZqwocLnrwf Bitcoin BTC: 17JyfSsQuUi1tHow26QxUvsh45kP6vsK63 ► Contact info, sending stuff in: etc.: xo4.uk/?YTT ► Website - flameport.com 00:00 Introduction 01:00 What is a TT system 05:33 Historical devices for fault protection 07:44 Modern devices for fault protection 10:38 Dual RCD consumer units 12:07 Modern installations 13:00 Submains 14:48 Summary 16:23 Earth Electrodes 19:36 RCD & Electrode Resistance 22:22 RCBOs Switched Neutral 24:06 Maximum leakage current 28:17 Conclusion









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