Occasionally you will see the value printed on resistors in the 4-digit numerical code format, with a letter indicating tolerance. On resistors of tighter tolerance, usually 3% and lower, there will be a third significant digit, for a total of five bands, again with the first four aligned towards one end of the resistor and the fifth on the opposite end. The first two bands denote the first and second significant digits of the resistor value, the third band represents a multiplier, and the fourth band represents the resistor tolerance. On most resistors of 5% tolerance or greater, there are usually four bands, with the first three aligned towards one end of the resistor and the fourth on the opposite end. General Resistor values are often identified by a color code scheme.
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