Translations:Electrical safety/5/en

Even with small amounts of sunlight, a PV module will produce voltage. There is no way to stop them from functioning - if there is sunlight, then it should be assumed that a PV module or an array are producing voltage. It is therefore necessary to proceed with caution at all times. Even covering a module with a tarp or opaque covering is typically not sufficient to reduce the voltage to zero as sunlight can still enter from the back of a module. In the case of PV, it is therefore very important on new installations to leave modules disconnected until all other work is finished. On existing installs, circuits connected to PV should always be treated as if have voltage and all necessary precautions should be taken.