Yes, you can touch solar panels as long as the system is installed correctly and the components are functioning properly. A solar panel, or photovoltaic (PV) module, is an array of semiconductor cells—typically made of silicon—encased beneath a layer of tempered glass and secured. . Getting a shock from a solar panel is not likely at all, but if it happens, it can kill you. Don't worry about getting burned even if the solar panel gets hot. So, can you touch solar. . Solar panels are tested to work best in temperatures between 59 Fahrenheit and 95 Fahrenheit, but glass can reach 104 Fahrenheit to 149 Fahrenheit during the summer. A high-quality system can handle the heat, but obviously you won't want to touch those. 149 Fahrenheit is extreme, the highest. . I am trying to determine what electrical PPE is necessary for when plugging the MC4 connectors and tying the solar modules together.