A Solid Thermocouple Alloy
Conductor
B Okoseal Insulation
C Tinned Stranded Copper Group
Drain Wire
D Aluminum/Polyester Tape
E Twisted Shielded Pairs
F Communication Wire
G Aluminum/Polyester Tape
H Tinned Stranded Copper Group
Drain Wire
J Rip Cord
K Inner Okoseal Jacket
L Impervious, Continuous,
Corrugated Aluminum C-L-X Sheath
M Outer Okoseal Jacket
Specifications
Conductors: Solid alloys per ANSI MC 96.1.
Insulation: Flame-retardant Okoseal®
(PVC) per UL Standard 13 and 2250, 15 mils nominal thickness, 105°C
temperature rating.
Conductor Identification: Pigmented insulation on individual
conductors, negative conductor numerically printed for group
identification.
Group Shield: Aluminum/polyester taped overlapped to provide
100% coverage, and a tinned copper drain wire, two sizes smaller than the
conductor. All group shields are completely isolated from each other.
Communications Wire: 22 AWG bare copper conductor, 12 mils nominal
flame-retardant Okoseal insulation, 105°C
temperature rating.
Assembly: Pairs assembled with left-hand lay. Flame-retardant,
non-wicking fillers included where required to provide a round cable.
Cable Shield: Aluminum/polyester tape overlapped to provide 100%
coverage, and a 7-strand tinned copper drain wire, same size as the
conductor.
Inner Jacket: Color-coded, flame-retardant, low temperature,
Okoseal per UL Standard 13 and 2250. A rip cord is laid longitudinally
under the jacket to facilitate removal.
C-L-X Sheath: A close-fitting, impervious, continuously welded and
corrugated aluminum sheath provides complete protection against moisture,
liquids, and gases, has excellent mechanical strength, and provides
equipment grounding through the sheath.
Outer Jacket: Color-coded, flame-retardant, low temperature,
Okoseal per UL Standard 13 and 2250.
Classification: UL Listed as Type ITC/PLTC - Instrumentation Tray
Cable/Power Limited Tray Cable for use in accordance with Article 725 and
727 of the National Electrical Code.
The cables comply with UL 2250 and UL 13 for PLTC, CL2 and CL3.
Applications
Okonite Type C-L-X SP-OS (Pair - Individual and Overall Shield)
thermocouple extension cables are designed for use as instrumentation and
process control cables in ITC non-classified or labeled circuits and in
Class 2 or 3 Power-Limited circuits where maximum shielding against
external interference is required, as well as shielding among groups,
particularly where the cable may be subject to abnormally high current or
voltage interference; indoors or outdoors; in wet or dry locations with
conductor operating temperatures up to 105°C;
in cable trays; in raceways; supported by a messenger wire; under raised
floors; for direct burial. Suitable Class I, Division 2, Class II,
Division 2, or Class III, Division 2 and Class I, Zone 2 hazardous locations. Also for use as
Power-Limited fire protective signaling cable (FPL) per NEC Code 760. The
C-L-X sheath provides physical protection against mechanical damage. It
may be installed in both exposed and concealed work, secured to supports
not greater than 6 feet apart.
Product Features
- Passes the UL 1581 & IEEE 383-1974 vertical tray flame tests.
- Passes the IEEE 1202-1991 vertical tray flame test (2 pair #18 AWG
and larger).
- Passes the 210,000 BTU/hr vertical tray flame test per ICEA T-29-520
and the 210,000 BTU/hr corner configuration test.
- UL listed as sunlight resistant.
- UL listed for direct burial (2 pr #20 AWG and larger).
- Complete pre-packaged, factory-tested wiring system-color coded.
- C-L-X cables are quality inspected to meet or exceed applicable UL
Standards.
- C-L-X enclosure permits installation in cable tray containing light
and power cables without a barrier separator.
- Individual pairs are numbered and color coded for simplified
hook-up.
- Individual pairs are completely isolated for maximum noise
rejection.
- Impervious, continuous sheath excludes moisture, gases and liquids.
- C-L-X sheath exceeds equipment grounding conductor requirements of
NEC Section 250.
- Excellent compression and impact resistance.
- Lower installed system cost than conduit or EMT systems.
- OSHA Acceptable.
- UL listed as Marine Shipboard cable.
- American Bureau of Shipping listed as CWCMC-PLTC and CWCMC-ITC.
- Recognized by US Coast Guard as Type MC or CWCMC.
- Suitable for low temperature installation to -40°C.
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