Guides
Practical wiring guides
Buying guide
FR, FR-LSH or halogen-free: which house wire do you need?
What the letters on a wire box mean, how each insulation behaves in a fire, and how to choose between Shock Free, Fire Free and Home Shield.
4 min read
Installation
A simple guide to wire sizes in a home
Typical copper wire sizes for lighting, sockets, air conditioners and the main supply, and when to go one size up.
3 min read
Buying guide
How to check a genuine ISI-marked wire coil
What should be printed on a house wire box and the wire itself, and three quick checks before you buy.
3 min read
Solar
Why ordinary wire does not belong on a solar roof
What makes solar DC cable different from house wire, what EN 50618 covers, and how to size and route PV cable so it lasts as long as the panels.
4 min read
Buying guide
Reading cable type codes: 2XY, A2XFY and the rest
A plain guide to the letter codes on Indian power cables, so you can tell an armoured aluminium XLPE cable from an unarmoured copper one at a glance.
3 min read
Quality
What 99.95% copper and 101% IACS actually mean
The two numbers on a Newtek box, explained: copper purity, conductivity, and why both affect how hot a wire runs.
3 min read
Installation
CAT6, RG59 or CCTV 3+1: picking cable for cameras
Which cable to run for analog, HD-over-coax and IP cameras, and when jelly-filled cable is worth it.
3 min read