This website uses cookies to improve your user experience. Please accept cookies for optimal performance.
JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
Yes, never look at a lit bulb as it can damage eyes and skin. To check if a bulb is lit up, view the closed unit at night. UV protective fittings will glow in the dark, indicating that the bulb is connected properly, and working.
