Cable chaos, solved.

Daniel Koh, 41, spends his working days keeping server rooms in order — every cable tagged, every port accounted for. His home, for years, was another story. A five-room BTO in Punggol, two children, four laptops, a working-from-home desk with two monitors, and the telco cabinet by the front door that every new flat comes with, packed with an ONT, a router and a mesh node nobody dared to touch.

Two years into working from home, he gave the flat what he calls "the audit". We spoke to him at his desk, where every cable now carries a small white flag. The conversation has been lightly edited for length and clarity.

Your day job is keeping data centres tidy. How bad can a home office really get?

Embarrassingly bad, precisely because I knew better. At work, an unlabelled cable would never pass an audit. At home I had a drawer of maybe thirty black cables — USB-C, micro-USB, HDMI, all coiled together — and no idea which ones even worked. Everything in this house charges over USB-C now, so we had four people's chargers in circulation and constant accusations about whose brick was whose.

Was there a breaking point?

There was. I was on a client call, reached under the desk to unplug a fan, and pulled the ONT's power instead — the plugs are identical. The whole flat's Wi-Fi died, together with my presentation, my wife's meeting and my son's home-based learning. That evening my wife said: you label other people's server rooms for a living. Do ours.

Walk us through the audit.

I did it the way I would do a comms room, one zone at a time. First the telco cabinet by the door — every BTO has one, and most people are scared of it. Each patch cable got a tag on both ends saying which room's LAN point it feeds, and the ONT, router and mesh node each got a label with the plug that belongs to them. Then my desk: the docking station, the monitors, the KVM switch. Then the TV console, which is where cables go to hide. The power strip behind it now has every socket numbered, with a legend printed on the strip itself.

And the drawer of thirty black cables?

Retired or registered. Anything that worked went into zip bags with a printed label — "USB-C to C, 2 m, checked Jan 2026". Anything unlabelled after the audit got binned. It sounds ruthless, but an unlabelled spare cable is not a spare; it is clutter with a connector.

You are particular about the label material. Why a thermal transfer printer?

Because cables live a hard life. They get flexed, handled, and they sit in warm corners behind the TV. An ordinary paper label is fine on a jam jar, but on a cable in Singapore's humidity it will peel and the print will fade. The N1 prints through a ribbon onto a PET film that is rated to stay legible for eight years — waterproof, oil-proof, and you can wipe it with alcohol and it stays crisp. The cable tags are flag-style: the label wraps around the wire and sticks to itself, so the text stands out like a little bookmark you can read from either side.

You also colour-code. How does that work?

Every family member has a colour — the same colours my sister-in-law uses for her kids' snack boxes, actually. A small coloured band goes on each person's charger and cable. Blue is mine, green is my wife's. Since then, not one charger dispute. When something turns up abandoned on the dining table, the colour tells you exactly who to nag.

Has the system survived contact with the family?

Better than I expected. The children check the colour band before taking a charger now, because the alternative is a lecture. My wife labelled her sewing machine's pedal cable without being asked, which I consider full adoption. And when the aircon technician came, he found the compressor's isolator switch by reading my labels — he said most flats make him guess.

What would you tell someone about to do their own audit?

Three rules. Label both ends — a cable with one labelled end is only half known. Label at the door: the moment a new cable enters the house, it gets tagged before it gets used. And put a checked date on your spares, because a spare you cannot trust is not a spare. For anyone collecting keys to a new BTO: label while you set up, not after. It takes seconds when the cable is in your hand and hours once it has vanished behind the furniture.

Daniel prints with the NIIMBOT N1, a thermal transfer printer whose PET labels are rated to stay legible for eight years. For a more affordable start, the direct thermal D110 takes the same style of cable flags. Both kits are below, and every item ships island-wide.