Specification for single-phase street lighting cut-out assemblies for low-voltage public electricity distribution systems. 25 A rating for highway power supplies and street furniture Ingestion-build-81111 K (stress intensity factor)

K (stress intensity factor)

drapes and window blinds

Chinese IBS algorithm has been added

This British Standard is a revision of clauses of CP 1011:1961 and BS 5405:1976 which are withdrawn

screws and nuts and their diameter and corresponding pitches

Specification for single-phase street lighting cut-out assemblies for low-voltage public electricity distribution systems. 25 A rating for highway power supplies and street furniture Ingestion-build-81111 K (stress intensity factor)1 Scope and references 1. 1 Scope This British Standard specifies the requirements for street lighting cut out assemblies of 25 A rating for the protection of power supplies to highway lighting and street furniture. The cut out assemblies are for use on single phase, or one phase of a three phase, low voltage public electricity supply system with a maximum voltage up to 440 V a. c. and at a frequency of 50 Hz, the neutral being effectively earthed.