GN 4 is of interest to all those who are involved with specifying, designing, installing or verifying electrical installations and it covers this essential aspect BS 7671. The market includes consulti
Contents include: protection symbols used in circuit diagrams, feeder protection for distance systems and pilot wire and carrier-current systems, and overvoltage protection.
The IEE Wiring Regulations (BS 7671) are the national standard to which the domestic and industrial wiring must conform. This book offers the contents of this regulation and includes: exhibition shows
