About this document
Understanding Earthing Systems by JORGE SILVA is a document available to read on EtoBox.
1. The document discusses different types of earthing systems used in electrical installations according to BS 7671. The main types are TN-S, TN-C-S, and TT. 2. TN-S has the neutral connected to earth at the source only. TN-C-S has the neutral connected to earth at intervals along its run. TT provides no facility for earthing by the distributor, requiring the consumer to install their own earth electrode. 3. The requirements of BS 7671 regarding earth electrodes, earthing conductors, and sizing of circuit
- Author
- JORGE SILVA
- Language
- EN