The light source for optical transmission cables are LEDs, as are the light sources in most fax machines. The individual photovoltaic cells in a solar panel are diodes, designed to emit electrons when exposed to light, the reverse of an LED. ... Disconnects Simply a single-throw switch, possibly fused, which is used to isolate various parts of the circuit for maintenance or other work by humans. It can also beanbsp;...
|Title||:||Emergency Power With Solar Electricity, Vol 1|
|Publisher||:||Ralph Ritchie Press -|