| Word | Description |
| Single Gang | One control mounted in a single wall box. |
| Single-Pole Dimmer | A Dimmer in which the electrical wires only affect one (1) light and do not continue on to other Dimmers. |
| Single-Pole Switch | A switch in which the electrical wires only affect one (1) light and do not continue on to other switches or receptacles. |
| Sone | A sone is an internationally recognized measurement of sound output. Sones translate decibel readings into numbers that correspond to the way people sense volume, and follow a "linear" scale, like inches. Sone readings offer quick sound comparisons for laymen and engineers. |
| Static Pressure | Static pressure is a measure of the resistance against airflow as the fan pushes air through a duct. It is measured in inches of water column or water gauge, such as 0.25" w.g. to show that resistance is equal to a column of water gauge. It is expressed as 0.1" w.g. or 0.25" w.g. to show that the resistance is equal to a column of water one-tenth or one-quarter of an inch tall. |