Failures on MV PILC cables, many of which have been in service for forty or more years, are a significant headache for DNOs. Drawing on material from a long-term study carried out jointly by Warsaw University of Technology and Megger, this article looks at...

There’s no doubt that Sydney Evershed was a genius. He invented the first practical insulation tester – “the Megger” – and thereby made possible the safe installation and working of electrical distribution systems. In the early...

Megger would like to  invite you to the next in the series of transformer and circuit breaker open days. We have two dates one in Birmingham and one to the West of London.

Testing protection relays and protection schemes used in power distribution systems continues to be a popular theme for questions received by our technical support team. We make no apology therefore, for presenting some more questions and answers on this...