Contributors
- 
                                            Heat pumps 101Heat 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 installationsBroad 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 cowboysStandards 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 repairAppliance 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 futureThe 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: OscilloscopesOscilloscopes may be a bit harder to master than your standard multimeter, but the results are well worth the trouble. David Herres explains.
- 
                                            Smoke detector StandardsSmoke 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 multimetersElectricians 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 ...
- 
                                            Modern day electric motorsElectric 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 refrigerationCommercial 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 ...
 
                                                

