Glossary of Wire & Cable
Wire & Cable Abbreviations
S = service
J = Junior
O = Oil Resistant
T = Thermoplastic/Vinyl
W-A = Weather Approved
P = Parallel
E = Elastomer
Extra hard service cord. Thermoplastic elastomer, oil resistant (TPE) construction jacket. 600 volt, weather resistant for outdoor use.
Hard service Thermoplastic or rubber-insulated conductors and overall Thermoplastic jacket. All elastomer construction. 300V, 90°C to 105°C. Weather resistant.
Hard service Thermoplastic or rubber-insulated conductors and oil resistant overall Thermoplastic jacket. All elastomer construction. 300V, 90°C to 105°C. Weather resistant.
Extra hard service cord TPE jacketed all Thermoplastic Elastomer (TPE) construction. 600V, 90°C to 105°C. Weather resistant for outdoor use.
Extra hard service cord. Thermoplastic constructed jacket. 600 volt, weather resistant for outdoor use.
Hard service cord. Thermoplastic constructed jacket. 300 volt, weather resistant for outdoor use.
Thermoplastic constructed cord, parallel jacketed, 300 volt, 2 or 3 conductor, 18 gauge.
Same as SPT-1 except heavier construction. 18-16 gauge.
Same as SPT-2 except heavier construction. 18-10 gauge.
Range and dryer cord, 3 conductor parallel or 4 conductors insulated thermoplastic construction.
Vacuum cleaner service cord. All plastic construction, 2 or 3 conductor.
Abbreviation for thermoplastic elastomer compound used in Arctic/Tropic (SJEOW) and Frigid-Flex (SJEW) cords.
American Wire Gauge. A relative system for the designation of diameter.
Alternating Current (AC)
Or line voltage-U.S. household standard current is 110/120 volts, 60 cycle.
Total amount of amperage flowing through a conductor (wire) when it is loaded.
Vinyl covered copper wire, normally 18 gauge, used for low voltage wiring, i.e.: doorbell, chimes, etc.
Metric temperature scale, where water freezes at 0° (compared to 32° Fahrenheit), and boils at 100° (compared to 212°F).
The path that electricity flows through a conductor.
Insulation or jacketing material of two or more ingredients.
Material (wire) that is capable of transporting an electrical charge easily. Cords can be two points or a single wire or individual wires in a cable.
Determines whether an electrical path exists between two points of a single wire or individual wires in a cable.
An insulated wire (conductor) for conveying current.
The flow of electricity through a conductor measured in amperes.
Direct Current (DC)
An electrical current that flows in one direction. Batteries are an example of DC current production.
A unit of power output (acoustical or electrical), for example, power gain in amplifiers or power loss in cables.
An electrical component that passes current in one direction and blocks it in the other direction.
English temperature scale, where water freezes at 32° (compared to 0 Centigrade), and boils at 212° (compared to 100°C).
Term used to denote physical size of wire.
Electrical term referring to connecting to the earth or large conducting body to serve as earth.
Pertains to any ungrounded conductor, or energized wire.
Parallel Heater Cord, typically Neoprene insulated two conductor.
Non-conductive material that surrounds or separates two conductive materials (wire).
One thousand (.001) of amp.
National Electrical Manufacturers.
Occupational Safety and Health Act. Specifically the Williams-Steiger law passed in 1970 covering all factors relating to safety in places of employment.
Condition by which the direction of current flow can be determined in an electrical circuit.
A plug constructed to allow insertion into a receptacle only one way because one blade is wider than the other.
Intended for low voltage applications, usually less then 50 volts. Used mainly in autos/trucks or battery operated equipment.
Polyvinyl Chloride. Compound used in thermoplastic (SJTW, STW) cords.
Maximum voltage at which an electrical component can be operated for extended periods without causing a safety hazard or undue degradation.
A substance that impedes the flow of current resulting in loss of power, such as heat.
Outer jacket or covering of multi-conductor cable.
A wire conductor comprised of a group of twisted or braided strands of wire, providing flexibility a single strand of wire of the same gauge cannot.
Plastic material that softens when heated and firms when cooled. Examples are Poly Vinyl Chloride and Polyethylene.
Underwriters Laboratories, an independent, non-profit organization that operates a listing service for electrical/electronic materials/ equipment.
Unit to measure electromotive force.
Unit of electrical power defined as one amp of current driven by one volt of electromotive