Welcome to the department of electrical equipment essential to ensure the power supply of many lights, extraction systems, delivered without power cable (unless contraindicated).
You can also find electronic or mechanical timers to guarantee the photoperiod of your plants, for example...
But also ingenious suspension pulleys, very functional to install your lighting and manage its height at your convenience, thanks to the pairs of Easy Roller by Sacla (the original ones supporting 2 x 5 kg) or the solid SuperFix by Superplant (supporting 2 x 34 kg).
And many other electrical accessories...
At discount prices. Culture Indoor.