--- title: Safety and Warnings description: "The following is a collection of important advice and things to be aware of. ### ๐Ÿš‘ Safety - Never look directly into a fibre connector or the end of a fibre cable. It can carry invisible laser light that canโ€ฆ" url: "https://www.atomic.co.za/docs/warnings/" updated: "2026-06-25" category: Frequently Asked Questions --- # Safety and Warnings The following is a collection of important advice and things to be aware of. ### ๐Ÿš‘ Safety - Never look directly into a fibre connector or the end of a fibre cable. It can carry invisible laser light that can damage your eyes. Very important if you have **young children who like to unplug cables**. - Never open your fibre termination box. - Before any drilling, point out hidden water pipes and electrical cables to the installation team so they aren't struck by accident. - Keep your router and fibre box away from water and damp. - Make sure an adult is present whenever an installation or repair team is working in your home. - Parents should consider using our [Family DNS service](https://www.atomic.co.za/family-dns) or look at using the parental controls feature of their WiFi router. ### โš ๏ธ **Warnings** and important tips - Don't reset your router to factory defaults unless you're sure it's needed - you'll lose your custom settings (WiFi name, password, port forwards, etc.). - Don't paint over, cover, or stack things on the fibre box - it needs ventilation and clear access for repairs. Make sure you can easily reach it to reboot it or take a photo of the status lights. - Don't remove the fibre box (ONT/CPE) - it remains the property of the FNO. - Don't put your router into "Bridge" mode. - Don't bend or coil your fibre patch cable too tightly - fibre is glass, and a sharp bend can cause major signal loss. - Match the power supply to the device. Check the voltage and current (amps) the router, ONT or CPE needs, and only use a PSU with the correct voltage and connector. A higher-voltage PSU can permanently damage the device. - Don't hide your WiFi router in an enclosed space (cupboard, drawer, box) - routers generate heat and need ventilation to work reliably. - Loadshedding and power spikes can damage your fibre box and router - ideally power these devices with a DC-UPS or use a surge-protected multi-plug. - Make sure you have a laptop or PC with a Gigabit Ethernet port, so you can do a cabled speed test.