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Earthing & Bonding
Design & Installation Featured Technology
An introduction to earthing and bonding
Earthing and bonding are two very different, but often confused, methods of preventing electric shock. The principal of earthing is to limit the duration of touch voltages if you were to make contact with an exposed conductive part. The earth creates a safe route for the current to flow instead of causing electric shock. The purpose of bonding is to reduce the risk of electric shock if you find yourself…
Buried Cable
Design & Installation Featured Planning
Installing an electrical supply to an outbuilding
This article looks at the correct procedure for installing an electrical supply to an outbuilding. Before carrying out any new or additional installation works a contractor must determine that the supply to the installation is sufficient to meet the demands of the additional load. It must also be verified that the existing earthing and bonding arrangements are adequate (Regulation 132.16 refers). Furthermore, the contractor responsible for carrying out the new…
Schneider circuit protection
Design & Installation Featured Technology
What is circuit protection?
Circuit protection, at its simplest, is the intentional addition of a ‘weak link’ in an electrical circuit. This link will be broken in the event of a fault – whether that’s high temperature, excessive current or a short circuit in a conductor, thus protecting the electrical circuit it’s part of from damage. Why are circuit protective devices important? Protective devices are important because they ensure that under fault conditions, a…