Contributors
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Modern day electric motors
Electric motors have come a long way, and it helps to know their characteristics rather than arbitrarily replace faulty units. Bob Harper explains. -
An introduction to commercial refrigeration
Commercial refrigeration repairs and preventive maintenance are good business opportunities. In the second part of a series, Phil Kreveld goes into more technology depth to assist ... -
Understanding diodes in appliances
Success in fixing appliances and other electronics will enhance your reputation as a skilled technician, and in the long term offer significant billable hours. David Herres ... -
Why smart meters aren’t as evil as you may think
Many of the arguments against new metering technology simply don’t add up, writes Phil Kreveld. -
One strike, part 3
In this series George Georgevits has explained the nature of lightning and its effects on communications and power circuits. Now he reviews the characteristics of surge-protection ... -
What is Super WiFi?
WiFi has undoubtedly become an ubiquitous technology, appearing in most (if not all) new mobile phones. Now, the technology is undergoing somewhat of a ‘revamp’. -
Chasing the perfect wave
Oscilloscopes may be a bit harder to master than your standard multimeter, but the results are well worth the trouble. David Herres explains. -
Big trouble in little diode
Success in fixing appliances and other electronics will enhance your reputation as a skilled technician, and in the long term offer significant billable hours. David Herres ... -
One strike, part two
In the first part of this series, George Georgevits explained lightning, what causes it and the results of a lightning strike. He now outlines its effects ... -
Customising labour units
Labour allocation for a particular job is the most difficult task an estimator has to do in order to arrive at a competitive tender that will ...
