Electrical work is rife with hazards and more so in confined spaces. The costs of failure in human and economic terms are so great that stringent management of who performs the work, and how, is imperative. Electrical maintenance and safety certifications...

The traditional method used for detecting ground (earth) faults in TT distribution systems is to monitor the current in the neutral conductor. “However, this method is not entirely satisfactory”, says Andrew Sagl of Megger, who goes on to...