Glossary of Terms
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| AC |
Alternating Current |
| Amp (Ampere) |
Unit of measure that expresses the rate of flow of an electrical current |
| ANSI |
American National Standards Institute |
| AWG |
American Wire Gauge |
| CSA |
Canadian Standards Association |
| DRT |
Dry Round Thermoplastic - Canadian standard (also known as SRDT by UL) |
| Ferrite |
Ferrimagnetic ceramic non-conductive compound material used to prevent high frequency electrical noise from entering or exiting equipment |
| Ferrule |
A circular metal clamp used to hold wires together |
| EMI |
Electromagnetic Interference |
| GFCI |
Ground-fault circuit-interrupter |
| HPN |
Heater Parallel Neoprene (Neoprene insulated wires) |
| Hypot |
testing by introducing electrical current though wire in order to determine the “highest potential” electrical current that can be applied before the wire insulation breaks down |
| ICC |
Int'l color code standard for wire jacket colors; hot = brown, Neutral = Blue, Ground = Green/Yellow |
| IEC |
International Electromechanical Commission |
| Insulation |
The material surrounding a wire or conductor that itself is not conductive |
| ISO |
International Organization on Standardization |
| NACC |
North American Color Code; hot = black, neutral = white, ground = green |
| NEMA |
National Electrical Manufacturers Association |
| NI-SPT-1 |
Non-Integral Service Parallel Thermoplastic (-1 indicates 1/64th" insulation thickness) |
| NI-SPT-2 |
Non-Integral Service Parallel Thermoplastic (-2 indicates 2/64th" insulation thickness) |
| O.D. |
Outer diameter |
| OEM |
Original Equipment Manufacturer |
| Ohm |
Unit of measure of electrical resistance |
| PVC |
Polyvinyl Chloride |
| RoHS |
Reduction of Hazardous Substances, a directive from the European community to limit the amount of acceptable content levels of heavy metals enacted in 2003 |
| ROJ |
The designation to Remove Outer Jacket |
| Schuko |
German for “protected contact”, it‘s the commonly used name for the standard European CEE7 three prong plug |
| SJO |
Service Junior oil resistant jacket |
| SJOO |
Service Junior oil resistant conductor jacket and oil resistant outer jacket |
| SJOW |
Service Junior oil and weather resistant jacket |
| SJOOW |
Service Junior oil resistant conductor jacket and oil and weather resistant outer jacket |
| SJT |
Service Junior Thermoplastic |
| SJTO |
Service Junior Thermoplastic with oil resistant jacket |
| SJTOW |
Service Junior Thermoplastic with oil and weather resistant jacket |
| SJTOOW |
Service Junior Thermoplastic with oil resistant conductor jacket and oil and weather resistant outer jacket |
| SJTW |
Service Junior Thermoplastic with weather resistant jacket |
| SO |
Service with oil resistant jacket |
| SOO |
Service with oil resistant conductor jacket and oil resistant outer jacket |
| SOOW |
Service with oil resistant jacket for conductors and outer jacket and weather resistant outer jacket |
| SOW |
Service with oil and weather resistant jacket |
| SPT-1 |
Service Parallel Thermoplastic (-1 indicates 1/64th" insulation thickness) |
| SPT-2 |
Service Parallel Thermoplastic (-2 indicates 2/64th" insulation thickness) |
| SPT-3 |
Service Parallel Thermoplastic (-3 indicates 3/64th" insulation thickness) |
| SRDT |
Service Round Dry Thermoplastic - UL designation (also known as DRT in Canada) |
| ST |
Service Thermoplastic |
| STO |
Service Thermoplastic with oil resistant jacket |
| STOW |
Service Thermoplastic with oil and weather resistant jacket |
| STOOW |
Service Thermoplastic with oil resistant conductor jacket and oil and weather resistant outer jacket |
| STW |
Service Thermoplastic with weather resistant jacket |
| SVT |
Service Vacuum Thermoplastic |
| Slitting |
The designation to separate insulated parallel wires |
| Stripping |
The designation of the removal of the insulation or jacket from a conductor/wire |
| Tin/tinning |
A treatment for stripped wires whereby exposed wire is dipped into a silver metal to coat wires to prevent fraying and prepare wires for soldering |
| TPE |
Thermoplastic Elastomer |
| UL |
Underwriters Laboratories |
| VW-1 |
UL flammability rating to show compliance to minimum vertical flammability standards |
| Volt |
Unit of measure to show electromotive force |
| Watt |
Unit of measure to show amount of power |
| WEEE |
European Community directive regarding the disposal and/or recycling of Waste Electrical and Electronic Equipment enacted in 2003 |
| Large Spool |
36" diameter and 24" wide, 68lbs. |
| Small Spool |
24" diameter and 18" wide, 28lbs. |
