| Term | Description |
|---|---|
| SAE | Abbreviation for Society of Automotive Engineers |
| Saudi Arabian Standards Organization (SASO) | For standardization in the Kingdom. |
| SCSI | Small Computer System Interface; ANSI standard which defines mechanical, electrical, and functional requirements for interconnection of small computers and peripherals and other small computer systems |
| Secondary Insulation | A high resistance dielectric material which is placed over primary insulation to protect it from abrasion |
| Self-Extinguishing | The characteristic of a material whose flame is extinguished after the igniting flame is removed |
| Self-Supporting Aerial Cable | A cable consisting of one or more insulated conductors (factory-assembled with a messenger) which supports the assemblage and and may or may not form a part of the electric circuit |
| Self-Supporting Cable | Any assemblage of conductors which incorporates a steel rope or steel sheath for added tensile strength, thus enabling it to be suspended between widely spaced supports |
| Semi-Conducting Tape | A tape of such resistance that when applied between two elements of a cable, the adjacent surfaces of the two elements will maintain substantially the same potential |
| Semi-Rigid PVC | A hard semi-flexible polyvinyl chloride compound with low plasticizer content |
| Semiconductor | A material that has a resistance characteristic between that of insulators and conductors |
| Separator | A layer of insulating material such as textile, paper, polyester, etc. Used to improve stripping qualities and flexibility and to provide mechanical or electrical protection to the underlying components. |
| Serve | A filament or group of filaments such as fibers or wires that are wound around a central core |
| Served Wired Armor | Spiral wrap of soft galvanized steel wires wrapped around a cable to afford mechanical protection and increase the cable pulling tension characteristics |
| Sheath | The outer covering or jacket of a cable |
| Shield | A metallic layer placed around a conductor or group of conductors to prevent electrostatic interference between the enclosed wire and external fields |
| Shield Coverage | The physical area of a cable that is optically covered by the shielding material (expressed in percent) |
| Shield Effectiveness | The relative ability of a shield to screen out undesirable signals |
| Shock Test | A test to determine the ability of a cable to withstand a violent physical concussion that might occur during handling or use |
| Signal | A current used to convey information, either digital, analog, audio or video |
| Signal Cable | A cable designed to carry current of usually less than one ampere per conductor |
| Silicone | Any class of synthetic materials which are polymers with a chemical structure based on chains of silicon and oxygen atoms, with organic groups attached to the silicon atoms. Used as both insulation and jacket, with operating temperature range of -65°C to 200°C. |
| Silver Coated Copper | A type of copper that is used in high frequency applications where the higher conductivity of silver is desired |
| Sintering | Fusion of a spirally applied tape wrap jacket by the use of high heat to a homogeneous continuum; usually employed for fluorocarbon, non-extrudable materials |
| Skin Effect | The tendency of alternating current, as its frequency increases, to travel only on the surface of a conductor |
| SNM | A cable designed for use in hazardous locations consisting of insulated conductors in an extruded nonmetallic jacket which is then covered with an overlapping spiral metal tape & wire shield |
| Solid Conductor | A conductor consisting of a single strand of wire |
| Solid PE | Polyethylene available in several forms: linear low-density polyethylene (LLDP), low density polyethylene (LDP), medium density polyethylene (MDP), high-density polyethylene (HDP) |
| Spacing | Distance between the closest edges of two adjacent conductors |
| Span | In flat cables, the distance from the reference edge of the first conductor to the reference edge of the last conductor, or the distance between the centers of the first & last conductor expressed in inches or centimeters |
| Spark Test | A test designed to locate imperfections (usually pinholes in the insulation of a wire or cable by application of a voltage for a very short period of time while the wire is being drawn through the electrode field) |
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