Understanding the earthing system used in electrical installations is essential. Joe Hammond's video provides a detailed explanation of the different earthing arrangements commonly used in UK electricity supply systems. TNCS, TT, TNS ============================= 00:00 Earthing Arrangements 01:00 What types of earthing systems are used? 01:26 TNCS 02:30 TNS 02:50 Top tip from Joe! 03:30 TT 04:10 Challenges of TT Systems 04:40 Earth fault loop impedance - Appendix 4 ============================ |

Earthing Arrangements TT in a Single Phase Installation Explained in Pictures Earthing Arrangements: this video is on TT Earthing and shows drawings to aid with City and Guilds and EAL electrical exams at level 1, 2 and 3. Supply coming in is only a line and neutral and the consumer has to make a connection to earth via an earth electrode (earth stake). Installations being supplied via a TT earthing arrangement require additional protection of circuits via and RCD. 🔵 Playlist - Earthing Arrange