Page 111 of Current Product Catalog by World Class Wire and Cable

a single output sp-1 ­ all thermoset parallel-jacketed two-conductor light duty cord for pendant or portable used in damp locations 300v sp-2 same as sp-1 but heavier construction with or without third conductor for grounding purposes 300v sp-3 same as sp-2 but heavier construction for refrigerators or room air conditioners 300v squirrel cage motor ­ an induction motor having the primary winding usually the stator connected to the power and a current is induced in the secondary cage winding usually the rotor sr ­ silicone rubber cable 600v 125c sr-aw ­ a cable with flexible nickel-plated copper conductor silicone rubber insulation glass braid 600v 200c src a cable with solid copper conductor silicone rubber insulation glass braid 600v 125c srd ­ portable range or dryer cable 3 or 4 rubber insulated conductors neoprene or rubber jacket sizes 10 through 4 300v srg ­ a cable with ozone resistant silicone rubber insulation with braided glass yarn impregnated with flame heat and moisture resistant fi nish 150/200c 600v appliance and motor lead wire srgk ­ a cable with ozone resistant silicone rubber insulation with braided glass yarn conductor jacket cable core of insulated conductors shielded or unshielded and an overall jacket of braided k-fiber impregnated with flame heat and moisture resistant fi nish 150/200c 600v multi conductor cable srh ­ silicone rubber insulated asbestos braid srhv ­ same construction as srir with heavier insulation voltage limit 2500v sri ­ a single conductor hook-up wire with plastic insulation for navy use srk ­ a cable with ozone resistant silicone rubber insulation with an overall jacket of braided k-fiber impregnated with flame heat and moisture resistant fi nish 200c 600v fi xture and power cable st ­ hard service cord jacketed same as type s except thermoplastic construction 600v 60c to 105c standard ­ a set of rules or protocols that describe how a device should be manufactured so it will maintain interoperability compatibility with others of the same type from different manufacturers standing wave ­ the stationary pattern of waves produced by two waves of the same frequency traveling in opposite directions on the same transmission line the existence of voltage and current maxima and minima along a transmission line is a result of reflected energy from an impedance mismatch standing wave ratio swr ­ a ratio of the maximum amplitude of standing wave stated in current of voltage amplitudes star ­ a network topology consisting of one central node with point-to-point links to several other nodes control of the network is usually located in the central node or switch with all routing of network message traffic performed by the central node static charge ­ an electrical charge that is bound to an object an unmoving electrical charge station ­ a network node stay cord ­ a component of a cable usually a high tensile textile used to anchor the cable ends at their points of termination and to keep any pull on the cable from being transferred to the electrical connections stiffness ­ as applied to copper the property of a conductor that causes it to resist permanent deformation by bending sto ­ same as st but with oil-resistant thermoplastic outer jacket 600v 60c stoo ­ same as sto but with oil-resistant insulation stop-joint ­ a splice which is designed to prevent any transfer of dielectric fluid between the cables being joined stp ­ shielded twisted pair two wires usually loosely wound around each other to help cancel out any induced noise in balanced circuits multiple pairs of wires are contained in one sheath and each wire pair is shielded by another sheath straight joint ­ a cable splice used for connecting two lengths of cable each of which consists of one or more conductors strain gauge a device for determining the amount of strain change in dimension when a stress is applied strain hardening ­ an increase in hardness and strength caused by plastic deformation at temperatures lower than the recrystallization range strand ­ one of the wires of any stranded conductor stranded conductor ­ a conductor composed of a group of wires usually twisted or of any combination of such groups of wires stress relief cable ­ cable used to relieve stresses in the process of welding pipe joints by inducing heat in pipe sections to be welded flexible copper strand stress-relief cone termination ­ mechanical element to relieve the electrical stress at a shielded cable termination generally used at 5kv and above subchannel ­ a frequency subdivision created from the capacity of one physical channel by broadband lan technology bands of frequencies of the same or different sizes are assigned to transmission of voice data or video signals actual transmission paths are created when each assigned band is divided using fdm into a number of subchannels sub-split ­ the most common form of transmission in the catv industry in the sub-split scheme the bandwidth utilized to send toward the head-end reverse direction is much smaller from approximately 5 mhz to 30 mhz and the bandwidth utilized to transmit from the head-end forward direction is very large from approximately 55 mhz to 300mhz the guard band between forward and reverse directions 30 mhz to 55mhz provides isolation from interference superconductors ­ materials whose resistance and magnetic permeability are virtually zero at low temperatures suppressor ­ a device used to reduce or eliminate unwanted voltages in electric or electronic circuits for example a resistance conductor in or a resistor in series with a sparkplug cable to suppress interference which would otherwise affect radio reception in and near the vehicle surge ­ a temporary and relatively large increase in the voltage or current in an electric circuit or cable also called transient sv ­ a ul cable type vacuum cleaner cord two or three conductor rubber insulated overall rubber jacket for light duty in damp locations 300v 60c svo ­ a ul cable type same as sv except oil resistant thermoset jacket 300v 60c svt ­ aul cable type same as sv except thermoplastic jacket with or without third conductor for grounding purposes only 300v 60c or 90c svto ­ a ul cable type same as svt except with oil-resistant thermoplastic jacket 60c sw ­ rubber jacketed power supply cable 8 awg to 2awg 600v c.s.a swo ­ same as sw except neoprene jacketed c.s.a swt ­ plastic jacketed power supply cable awg to 2 awg 600v c.s.a syn ­ synchronous idle in synchronous transmission a control character used to maintain synchronization and as a time filling the absence of data the sequence of two syn characters in succession is used to maintain synchronization following each line turn-around synchronous transmission ­ transmission in which there is a constant time between successive bits characters or events the timing is achieved by sharing of clocking t t ­ thermoplastic vinyl building wire 60c ta ­ solid or stranded single conductor switchboard wire insulation is plastic with a covering of impregnated felted asbestos outer covering is a flame resistant treated cotton braid 600v 90c taa ­ nickel or nickel clad copper stranded conductor insulation is teflon tape with a covering of felted asbestos outer fi nish is asbestos braid tap ­ 1 baseband ­ the component of a connector that attaches a transceiver to a cable 2 broadband ­ also called a directional tap or multitap a passive device used to remove a portion of the signal power from the distribution line and deliver it onto the drop line taped splice ­ a joint with hand-applied tape insulation tbs ­ solid or stranded single conductor switchboard wire insulated with plastic the outer covering is a flame resisting cotton braid 600v 90c tbwp ­ solid or stranded single conductor insulation is three cotton braids saturated with weather resisting insulating compound commonly known as triple braid weather-proof no voltage rating tc ­ tray cable nec art 340 t ­connector ­ a cable adapter that attaches a pc with a network interface module to the network tcp/ip ­ transmission control protocol/internet protocol a protocol specification that conforms to the latest dod arpanet standard the tcp/ip protocol module corresponds to layers three and four of the iso protocol tdm ­ time division multiplexing ­ a method utilizing channel capacity efficiently in which each node is allotted a small time interval in turns during which it may transmit a message or a portion of a message for instance a data packet nodes are given unique time slots during which they have exclusive command of the channel the messages of many nodes are interleaved for transmission and then demultiplexed into their proper order at the receiving end tdma ­ time-division multiple access a highspeed burst mode of operation that can be used to interconnect lans fi rst used as a multiplexing technique on shared communication terminator ­ a resistive device used to terminate the end of cable or an unused tap into its characteristics impedance the terminator prevents interferencecausing signal reflections tensile strength ­ the maximum load per unit of original cross-sectional area that a conductor attains when tested in tension to rupture corporate headquarters w234 n2091 ridgeview parkway court waukesha wi 53188-1023 www.wcwc.com phone 262.951.7777 purchasing/acct fax 262.951.7704 sales fax 262.951.7778 109 glossary

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