Diseases that vaccines prevent can be. dangerous, or even deadly. Vaccines greatly. reduce the risk of infection by working with. the bodyâs natural defenses to safely develop. immunity to disease. This fact sheet explains. how the body fights infection and how. vaccines work to protect people by. producing immunity.
Low Voltage Transformers. 1  A low voltage transformer literally transforms the standard line voltage in your home or business (120 or 277 volts) to a lower 12 or 24 volts. This lets you safely supply power to popular low voltage lighting systems like recessed can lights, pendant lights, puck lights and outdoor light fixtures. 123.
Volts, Amps, and Watts of Christmas Lights In the US, the standard power from an outlet is 120 volts. Traditionally, a string of 48 mini-bulbs uses 2.5 volts. 48 times 2.5 equals 120, and so it logically follows that a single strand will equal the standard number of volts from an outlet.