Outlined below is a zip code list for Portland. Select a zip code you are interested in to find zip code data on demographics, family, housing, education, transportation, and real estate. See the Portland Zip Code Map.
For other uses, see Volt (disambiguation). The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
Modern varistor schematic symbol. A varistor is an electronic component with an electrical resistance that varies with the applied voltage. Also known as a voltage-dependent resistor (VDR), it has a nonlinear, non-ohmic currentâvoltage characteristic that is similar to that of a diode.