• There are different international specifications that describe the construction of instrumentation cables, the main specifications are the American Standards and European standards.
• The American Standards are:

1. UL 13 , Power Limited Tray Cables PLTC 300V
2. UL 1277 Tray Cables TC 600V
3. UL 2550 Instrumentation Tray Cables ITC 300V
4. ICEA S-82-552, 300V or 600V.

• The European standards are:

1. EN 50288-7, 300V or 500V.
2. IEC 60502-1, 600/1000V.
3. IEC 61158-2, foundation fieldbus cable 300V.
4. BS 5308

• Cable construction :
• Conductor: Except for thermocouple extension cables, conductors shall be solid, stranded plain or metal coated copper (tinned) in accordance with Class 1, 2.

Conductor Size:

• American Standard: 20 AWG, 18 AWG, 16 AWG, 14 AWG, 12 AWG, 10 AWG, 8 AWG & 6 AWG.
• European standard: 0.5 mm2, 0.75 mm2, 1 mm2, 1.5 mm2, 2.5 mm2, 4 mm2 & 6 mm2.

• Insulation: SC can offer the following insulation material:

1. Flame retardant PVC (minimum temperature rating 80°C, 90°C or 105°C).
2. Flame retardant XLPE (minimum temperature 90°C or 105°C).
3. Polyethylene (minimum temperature rating 80°C).
4. XLPE (minimum temperature 90°C).

The selected insulating material is complying with the international standard & customer requirement.

 Cable elements:

• Assembly: Two insulated conductors uniformity twisted into a pair or three insulated conductor’s uniformity twisted into a triad.
• Color Code: Unless otherwise specified, the color code will be: One black wire & one white wire for pairs. One black wire, one white wire & one red wire for triads.    Numeric print on each core for multi pair or triad.
• Cabling: The pairs/triads are laid up together to form a cable core; suitable filler may be applied when necessary. The cable construction will be: Single Pair/Triad Unshielded, Single Pair/Triad shielded, Multi pair/triad Unshielded, Multi pair/Triad with overall shielded, and Multi pair/triad with Individual and overall shielded.
• Individual Shield Material: When shielding of individual cable elements are specified, it shall be Aluminum foil applied with a minimum overlap of 25 % and with a drain wire in direct contact with the metallic side of the foil (N/A to single Pair or Triad).
• Overall Shield Material: When shielding of the cable core is specified, it shall be Aluminum foil applied with a minimum overlap of 25 % and with a drain wire in direct contact with the metallic side of the foil.
• Optional Cupper Foil Shielding material can be offered instead of Aluminum Foil complying the customer requirement & international standard.
• Jacketing: SC can offer the following material:

1. Flame retardant PVC.
2. Flame retardant XLPE.

The selected sheath material is complying with the international standard & customer requirement.

The material shown above can be used as inner jacket or outer jacket.

Unless otherwise specified the jacket color will be Black or Blue.

OPTIONALS

Optional 1: Fire Survival Instrumentation cables

• Instrumentation cables that installed in an area has the risk of fire, is required to be fire resistant.
• Such cable has a characteristics that it can survive and carry electric signal in case of fire and flame temperature up to 950 °C for 3 hours without circuit breakdown shorted or open.
• The construction of such cables are the same as any type of the above with additional MICA fire resistant tape has to be wrapped over each conductor under the insulation.
• Fire Resistant cable is tested to IEC 60331/BS 6387 Specification.

Optional 2: Foundation Fieldbus (FF) Cable

• Fieldbus is an innovative technology to implement field information networking.
• IEC-61158-2 identified the fieldbus cable characteristics, where type A is the fundamental type (Spur cable and trunk cable).
• All FF cables shall be compliant to FF-844 H1 Cable Test Specification
• For all FF cables outer jacket color shall orange.
• The FF cable will be single pair overall screen type or multi pair individual & overall screen.

Optional 3: Armored Cable

Armoring process can be offered over inner jacket.    SC can offer:

1. Galvanized round steel wire armoring (GSWA).
2. Galvanized Double Steel Tape Armored (GSTA).

The SWA diameter or STA thickness must comply the international standard.

Optional 4: Lead sheath or Multi-Layer sheath cable

When chemical or environmental protection is required, Lead sheath or Multi-Layer sheath can be applied.

Optional 5: Control Cable

Multi Core cable can be offered as un-shielded or overall shielding type only. The Cores are laid up together to form a cable core; suitable filler may be applied when necessary.

Optional 6: Thermocouple extension cable

• Extension cable is a pair of wires having such temperature emf characteristics relative to the thermocouple with which the wires are intended to be used.
• Conductor used for such type of cable shall be Solid thermocouple extension wire per ANSI MC96.1
• There are different types of thermocouple extension wires, types TX, JX, EX and KX each type has a different metal of conductor and different emf rate, and different temperature range as well.
• The construction of such cables are the same as any type of the above single or multi pair cables only with color code of insulation as per ANSI MC96.1.
• The jacket color will be as per ANSI MC96.1.