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05 – Devices and Systems to Prevent against an Electrical Shock
The main protection methods to prevent electrical shock within the fixed wiring systems in properties are: 1 Earthing 2 Bonding 3 Residual current devices The first two are fundamental fixed parts of the wiring and the last is an electro-mechanical … Continue reading
04 – Electrical leaks or faults that can lead to electrical shocks
Leakage is where an electrical current is passes down a path it is not intended to travel. This could be in an electrical installation or an appliance. Some appliances are designed to have a certain level of leakage current to … Continue reading
03 – Overload – Protective Devices
Overload – Protective Devices There are a number of devices that are used in fuse boards, distribution boards and consumer units to prevent circuit overload. These are: 1: Rewireable fuses 2: Cartridge type fuses 3: MCB’s or miniaturised circuit breakers … Continue reading
02 – Electrical Safety – Protection methods
Two fundamental electrical faults that require protective measures within any installation are: • Overloads or shorts • Electrical leaks or faults that can lead to electrical shock There are, however, devices that will take appropriate action for other faults such … Continue reading
01 The basics of 230/400Vac electricity in simplistic terms
Electricity travels easily through a conductor – metals are generally good conductors and copper is especially so – hence its use in domestic and commercial cables. Electricity does not travel well through insulation – ceramics and plastics are good insulators … Continue reading
Technical Blog Series
Over the past few months we have been making a number of electrical safety presentations to professional bodies allied to property and the people who use them. As a result we thought that the subject matter that we have been … Continue reading
Hotels – ready for Spring yet??
This is a really busy time for Hotels are they get ready for the hordes arriving in spring. We know there is lots to do, but somewhere on the to-do list I am sure is the Portable Appliance testing ( … Continue reading