Contributors
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Understanding medical installations
Medical installations require particular experience and an understanding of special requirements. Gary Busbridge explains. The medical installation is a mystery all on its own. It seems ... -
CIS/CIGS solar panels explained
Thin film technology could turn most of a building into a solar collector. Phil Kreveld reports. Thin film photovoltaic (PV) panels are making their presence felt ... -
On the tools: Field effect transistors
Field effect transistors are constructed similarly to transistors and diodes, but they have specific characteristics that pose unique challenges to electricians. David Herres explains. -
How to repair elevators
Every new multi-storey building has an elevator, which is a potential gold mine for electricians. David Herres explains the ups and downs of elevator maintenance and ... -
The benefits of natural gas-powered air conditioners
Most larger air-conditioning systems for domestic purposes are reversible in operation, thus providing heating and cooling. Most are electrically powered, and it is to a large ... -
Electrical bonding systems in portable generators
An electrical bonding system is crucial in a portable generator, and an RCD trip will warn of faults at the appliance end. Gary Busbridge explains. -
Safeguarding electrical installations from lightning strikes
Safeguarding electrical circuits and systems from lightning is crucial. In part one of this topic, George Georgevits analyses nature’s power. -
What is the smart grid?
When it becomes fully implemented, the smart grid will resemble an energy Internet, perhaps eventually worldwide. -
The tender process, part 1
In part one of this three-part series, Brian Seymour looks at the bare essentials of the tendering system. -
The A-Z of transistors
Transistors may be small but they are an important part on an electrical circuit. David Herres explains.