A power source/generator that operates independently of or is not connected to an electric transmission and distribution network; used to meet a load(s) physically close to the generator.
Stand-alone inverter
An inverter that operates independent of or is not connected to an electric transmission and distribution network.
Standard
An established level for use as a rule or basis for comparison in measuring or judging capacity, quantity, content, value, quality, etc., which helps to insure that minimum requirements are met.
Standard air
Air with a weight of 0.075 pounds per cubic foot with an equivalent density of dry air at a temperature of 86 degrees Fahrenheit and standard barometric pressure of 29.92 inches of mercury.
Standard brick
Brick, 3 5/8 x 2 1Ú4 x 8 inches.
Standard conditions
In refrigeration, an evaporating temperature of 5 degrees Fahrenheit (F), a condensing temperature of 86 degrees F., liquid temperature before expansion of 77 degrees F., and suction temperature of 12 degrees F.
Standard cubic feet per minute (scfm)
Used in reference to the measure of the volume of air delivered by a compressor or consumed by an air tool.
Standard cubic foot
A column of gas at standard conditions of temperature and pressure (32 degrees Fahrenheit and one atmosphere).
Standard grade ceramic tile
Highest grade of all types of ceramic tile.
Standard industrial classification (sic) code
Standardized codes used to classify businesses by type of activity they engage in.
