In a perfect world, electrical insulation would allow no current to flow through it. Unfortunately, several factors can — and will — result in the deterioration and ultimate failure of electrical ...

In our previous issue, we described time-resistance and dielectric absorption ratio tests. Two other useful insulation resistance tests are the short time and step voltage tests In our previous issue, ...

Dr Tom Brookes, Managing Director of Zzeus Training and Chair of the Fire & Security Association, provides insight into fire cable installation, and explains why correct insulation and continuity ...