Testing of a photovoltaic panel

A device for testing a photovoltaic panel system including a photovoltaic panel having an output node and an electronic module, having an input node and an output node, the device comprising:

• a first single pole double throw switch, said first single pole double throw switch including an input common node, a first output node and a second output node;
• a first single pole single throw switch including an input node and an output node;
• a second single pole double throw switch, said second single pole double throw switch including an output common node, a first input node and a second input node;
• said output node of the photovoltaic panel connected to said input common node of said first single pole double throw switch;
• said first output node of said first single pole double throw switch connected to said input node of the electronic module;
• said second output node of said first single pole double throw switch connected to said input node of said first single pole single throw switch;
• said output node of said first single pole single throw switch connected to said first input node of said second single pole double throw switch;
• and
• said output node of said electronic module connected to said second input node of said second single pole double throw switch.