An Uninterruptible Power Supply (UPS) provides emergency power when the power source or mains power fails. A UPS differs from an emergency power system or standby generator in that it provides near instantaneous protection from power interruptions by supplying energy stored in batteries, supercapacitors or flywheels. The on-battery run time of most UPS is generally […]
The answers is 38. Need to know how to figure it out? The figures represent 15, also notice that the sum of all their sides is 15 (6+5+4). The four bananas represent 4. Clock face with 3 o’clock represents 3. Therefore 2 + 3 + 3 x 11 (clock face with 2 o’clock, three […]
All electrical products generate heat and therefore have the potential to be a fire risk if not properly maintained. Worksafe have highlighted in this months’ newsletter in conjunction with the Lighting Council the need to ensure that Fluorescent and High Intensity Discharge (HID) light fittings are being regularly maintained due to the number of fire […]
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One of the tricky things about electrical systems is that you often can’t see faults without taking things apart. Thermal imaging is a non-intrusive, non-contact method of detecting electrical faults that are hidden to the naked eye. Thermal imaging can be used as a fault-finding measure or as preventative maintenance as it can indicate faults […]
Riddle One: The anwer is 73 The witch holding a broom and wand is worth 15 Each wand is worth 7 If you look closesly there are 4 broomsticks that = 12, therefore a broomstick is worth 3 Final equation A broom (3) + A witch without a wand or broomstick (15-7-3=5) x 2 wands […]
The Answer is 042 Didn’t get it right? Check out these instructions for how to solve it. The answer is 23 pair of shoes = 10 Boy = 5 Double burger = 4 One shoe = 5 Boy with 2 burgers = 9 One burger = 2 One shoe + (Boy with 2 burgers […]
Planned maintenance allows you to maximise the performance of your plant by ensuring that it stays running safely for as long as possible without any unplanned downtime. Planned maintenance means you consider how to ensure your machines run effectively and plan when the work or maintenance needs to be done so it has the least […]
In electrical engineering a hazardous area is a place where a fire or explosion hazard may exist due to: flammable gases or vapours combustible dusts or ignitable fibres which may be present in the air in quantities sufficient to produce explosive or ignitable mixtures. Where are hazardous areas found? Places like oil refineries, chemical […]
Over 80% of fatal New Zealand house fires start through smoke alarm neglect, which is why it’s crucial that heat and smoke detectors are installed and regularly maintained. Smoke and heat detectors should be maintained on a six-monthly basis which is why we are often reminded to check them at the beginning and end of […]