How to determine the resistance of earth electrode?
QuotesDG
November 02, 2016
Source: City and Guilds Reason for earth electrode resistance testing The purpose of this test is to establish that the resistance of the so...
Showing posts with label Electrical Installation. Show all posts
Showing posts with label Electrical Installation. Show all posts
Wednesday, 2 November 2016
How to conduct polarity testing?
QuotesDG
November 02, 2016
What is polarity testing? A test that creates a circuit using the phase conductor and the single pole device in question, breaking the circu...
Monday, 31 October 2016
Operating Characteristics of Circuit Breakers
QuotesDG
October 31, 2016
Operating Characteristics of Circuit Breakers BS 7671 defines circuit breaker as A mechanical device capable of making and carrying currents...
Inspection Schedule Checklist According to BS 7671 in Electrical Installations
QuotesDG
October 31, 2016
Source: www.iet.org Inspection Schedule Checklist Methods of protection against electric shock Both basic and fault protection: (i) SELV (ii...
Saturday, 29 October 2016
Basic Safety Provision for Electrical Installation According to BS 7671
QuotesDG
October 29, 2016
I. Protection against Direct Contact BS 7671 Provides 1. Insulation of live parts The insulation is intended to prevent any contact with liv...
What is SELV and PELV Circuits?
QuotesDG
October 29, 2016
Application and arrangements of SELV and PELV circuits 1. SELV - Definition according to BS 7671 SELV - Safety (Separated) Extra-Low-Voltage...
Tuesday, 25 October 2016
Earthing System According to BS 7671
QuotesDG
October 25, 2016
What is earthing? According to BS 7671 Connection of the exposed conductive parts of an installation to the main earthing terminal of the in...
