Watts, lumens and why a 9 W LED is not a 9 W bulb
Wattage tells you what a lamp consumes. Lumens tell you what you get. How to swap a bulb without guessing.
Warm, neutral or cool: choosing colour temperature room by room
The kelvin number changes how a room feels more than the brightness does. A practical guide.
Why an LED bulb fails early — and it is rarely the LED
LEDs are rated for tens of thousands of hours. When one dies in a year, look at the driver, the heat and the supply.
Reading an electrical listing: base, voltage and what “suitable for” leaves out
Four fields decide whether a part fits your fitting. Check these before the picture.
What to check the day an electrical order arrives
Test before you install, and keep the packaging until it works. What is a fault and what is not.