The E-Nano uses the same type of ceramic as the SSV, LSV, Vapor Bro’s Etc. It is designed to deliver 15-Watts at 120v. The dimmer is rated for 150 watts and is currently in use in hundreds-of-thousand if not millions of electrical devices. I went with a ceramic heater because it fit my design requirements, is certified Rohs compliant and they have stood the test of time, having been used in thousands of Vapes for many years. They have an extremely low failure rate which is why most vape companies that use them warranty them for so long. As far as overall saftey, treat it with the same respect you would treat any device you plug into 120v current.