Contributors
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Chinese panels… they really do stack up?
Solar panels from China are not necessarily inferior, as they often use Western technology under licence. Phil Kreveld draws attention to other important quality and performance ... -
Battery storage for solar installations
Battery storage of solar energy is a reality, and the economics are just about there. Phil Kreveld reports. Storing the sun’s energy, which rates about one ... -
CHRIS HALLIDAY: Test lamps
Many electricians have relegated test lamps to the museum. Should the remaining old-school sparkies update or are the new mob just showing off expensive toys? Chris ... -
DAVID HERRES: All about Wiggy
It makes appropriate sounds and it vibrates to let you know what’s happening. No, it’s not a mobile phone, writes David Herres, but a handy little ... -
DAVID HERRES: PLCs explained
Programmable logic controllers dominate global manufacturing, and electricians who understand them will never want for work. David Herres explains. By the mid-1960s, General Motors was manufacturing ... -
Summarising an estimate
A well-designed estimate summary sheet ensures you won’t break out in a cold sweat when the costs come in. Brian Seymour goes through a checklist. ... -
Embracing the NCC and Wiring Rules
The National Construction Code and the Wiring Rules should go hand-in-hand, and new business will emerge. Gary Busbridge spells it out. As I travel around this ... -
DAVID HERRES: Gaining a laser focus
Despite the teachings of Austin Powers, lasers aren’t just designed to be attached to sharks’ heads. Electricians use them too. David Herres explains. -
BOB HARPER: 3-phase theory recap
When three-phase motors are grouped on a line, things can get way out of balance. Bob Harper reports. An electrician friend who works in a rural ... -
JOHN KONSTANTAKOPOLOUS: The building envelope, part 2
The correct installation of LED downlights balances safety, energy efficiency, lamp life, fire ratings and soundproofing. John Konstantakopolous explains. In part one of this two-part series ...
