SLNS/BS 7671:2018


Requirements for Electrical Installations. IET Wiring Regulations

SKU: SLNS/BS 7671:2018 Category:

In general, BS 7671 applies to circuits supplied at nominal voltages (Uo) up to and including 1000 volts AC or 1500 volts DC. The standard therefore covers the Extra Low Voltage range (ELV) range up to and including 50 volt AC and 125 volt DC and the low voltage (LV) range which is above 50 volt AC and 125 volt DC Up to and including the threshold of High voltage 1000 volt AC and 1500 volt DC, the frequencies covered are 50 60 and 400 Hz AC mains supply used in the UK for houses, offices, and commerce.