Contributors
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The lucrative business of refrigeration systems
Attending to the electrical components of refrigeration systems is good for contractors, but there are other aspects that can be quite lucrative. Phil Kreveld explains. -
Back to basics… revisiting Ohm’s Law
Electricians need to keep up-to-date with Ohm’s Law and several other mathematical theories in order to complete their day-to-day tasks. David Herres offers this refresher course. -
Heat pumps 101
Heat pumps, powered by the sun, have proved to be more efficient than their electric counterparts. Bob Harper explains. -
The dangers of broad or inadequate specifications in electrical installations
Broad or inadequate specifications for an electrical installation can cost a lot more than specialist advice at the planning stage. Phil Kreveld explains. -
Reigning in the cowboys
Standards are important for new technologies to be implemented safely and using industry best practices. But, Gary Busbridge asks, what happens when the technology or market ... -
Growing your business through appliance repair
Appliance repair used to be the exclusive domain of electricians, but as whitegoods became cheaper this type of work went out of style. But, David Herres ... -
Challenge the process and look to the future
The start of each new year can be quiet, which gives estimators a great opportunity to take stock of the previous year and plan for the ... -
On the tools: Oscilloscopes
Oscilloscopes may be a bit harder to master than your standard multimeter, but the results are well worth the trouble. David Herres explains. -
Smoke detector Standards
Smoke detectors, or ‘smokies’, are imperative for safety in the home. Gary Busbridge looks at the standards and installation requirements for these life saving devices. -
A guide to multimeters
Electricians use multimeters for many everyday tasks and would certainly not want to be without one. But there is another instrument that is finding increased application ...
