
Key takeaways
- Cable size depends on current, run length, install method and heat.
- Undersized cable overheats and causes voltage drop and trips.
- Protect cables crossing walkways and roads with ramps.
- Have connections made by competent crew.
The cable between your generator and distribution is as important as the generator itself. Get it wrong and you risk voltage drop, overheating, nuisance trips or a safety hazard. Correct cable selection keeps power safe and efficient.
How generator cables are sized
- Current (amps) the cable must carry continuously.
- Run length — longer runs need a larger size to limit voltage drop.
- Installation method and grouping of cables.
- Qatar's ambient heat, which derates cable capacity.
Why voltage drop matters
Over a long run, an undersized cable loses voltage, so equipment at the far end runs low — causing poor performance, overheating motors and trips. Sizing up for length keeps voltage where it should be.
Safety on site
Cables should be correctly rated, protected at the source, and run with cable ramps or covers where they cross walkways or roads. Connections via powerlock or lugs must be made by competent crew. In Qatar's heat, derating and protection from physical damage are both essential.
Always protect cable crossings with ramps — a damaged cable is both a downtime risk and a serious safety hazard.
We supply rated cables and accessories
We supply correctly rated power cables, powerlock connectors, cable ramps and earthing accessories, and set them up as part of your temporary power package across Qatar.
Frequently asked questions
Yes. We supply rated power cables, connectors, cable ramps and distribution to match your generator and site layout — delivered and connected with the set.
Need help with this on your site?
Our team can size, supply, deliver and maintain the right power solution for your project anywhere in Qatar — 24/7.


