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Showing posts with the label electrical and electronics

Tips for the inspection of low voltage switch gear

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Low Voltage Switchgear involves switches like power circuits, relays etc. It is important that a periodic inspection and test carried out at least every 1-2 years and 2-6 months when new equipment is installed. In this section we discuss about some guidelines for inspection and maintenance of low voltage switch gear 1)       On energized equipment                              Three things you must do a)       Listen for popping, spitting or cracking sound produced by the electrical discharges-also humming and vibrations produced by the resonance b)       Look for corona halos c)       Check for ozone – ozone is produced by corona or overheating of organic materials 2)       On de-energized equipment’s Three things you must do a)       Check and co...

Electrical Safety

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It is recommends that a periodic inspection and test of the electrical installation should be carried out by a registered electrician at least every five year. The electrical works should meets the national standards “You should never try to carry out your own electrical repairs” However, there are number of simple, visual checks that you can carry out yourself 1)       Check your RCD protection in your fuse-box 2)       Make sure that your plug sockets are not overloaded 3)       Ensure that plugs and sockets are not damaged 4)       Check that visible cables and leads are in good conditions 5)       Check that your light fittings are not visibly damaged and that down-lighters are in good working condition 6)       Check that you are not storing combustible materials around your fuse-box, electric meter or electr...