Contributors
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The tender trap
Counting and measuring are central to accurate estimating, but there’s much more to it. Brian Seymour outlines the detail. In the world of competitive tendering, the ... -
Multimedia coaxing
Network technology that uses existing hybrid fibre coax cable looks good at first glance, but is it better than Ethernet? George Georgevits compares the two. An ... -
CHRIS HALLIDAY: Testing times
Testing and tagging of electrical gear is now the norm for businesses, but is it really necessary? Chris Halliday of PowerLogic investigates. The owner of a ... -
DAVID HERRES: Don’t always wave goodbye
The microwave oven is a simple appliance, and repair is not difficult as long as the hazards are recognised. David Herres explains. The first microwave ovens ... -
On the grid
Solar panel arrays can be better distributed for maximum ‘collectible’ characteristics. Phil Kreveld discusses the principles. Solar photovoltaic inverters differ from other types, often battery driven, ... -
Shine a light on solar
The basic principles of photovoltaic systems make useful reading for non-specialist electricians installing all or part of a system. Phil Kreveld sets them out. Lots of ... -
CHRIS HALLIDAY: To protect and serve, part one
The Los Angeles Police motto is also a good one for sparkies. In the first of two articles, Chris Halliday examines the more obscure types of ... -
Current concerns
Older houses were wired according to the safety standards of their time. Gary Busbridge calls for more RCDs to bring things up to date. There are ... -
CHRIS HALLIDAY: An acceptable drop
It might have been some time since you learned about voltage drop, so what are the requirements and the calculations? Chris Halliday explains. The voltage in ... -
Feed-in facts
As ‘distributed generation’ increases, there’s work to be done on power quality by electricity suppliers and the solar industry. Phil Kreveld reports. The growth of solar ...
