TECK90 CABLES 2

[RRaghunath]

I only know TECK90 means that the cables are designed for a working temperature of 90degrees. Can some one tell me

1) does TECK90 signify any thing more (such as armour or type of insulation or typr of conductor etc.)?
2) The nomenclature is new to me, is this American (ANSI)? I am from IEC world.

Thanks in anticipation.

raghunath_n00@rediffmail.com

 

[dpc]

This is a Canadian standard, I believe, for interlocked armoured cable.

http://calvert-wire.com/show_product.php?id=325

 

[RRaghunath]

Thanks dpc for the help.

The web page says the Teck90 cable is "Interlocked cable" - any idea what it could be.

Have you any idea about the corflex type polyethylene insulated cable?

This is specified for the instrumentation, electronic circuits and supervisory control cables.

raghunath_n00@rediffmail.com

 

[dpc]

It is interlocked armour cable. It has a flexible steel outer sheath, similar to flexible conduit. The advantage is that no conduit system is required.

This is pretty common stuff. I'd check with cable suppliers - they should be willing to send you a sample.

I believe Okonite C-L-X meets the TECK90 specs, although it has a continuous sheath, not interlocked. Okonite will be happy to give you information on C-L-X.

 

[RRaghunath]

Thanks dpc for helping me learn about a new product.

I am in India (IEC zone) and the sort of cable you described is not common here. I came across the requirements in one tender for hydro power project for which my company (EPC contracting) is quoting.

The clients are also in India and their engineers might have picked up the specifications from earlier project.

From your post, I understand that the interlocked armour is different from the wire or strip armour that we are used to. The interlocked armour, could be more like braided copper flexibles that we use for bus duct terminations near the equipment, is it so!

In power plant, we lay cables in overhead trays, hence, conduit may not be relavant or are these cables meant only for low power and lighting applications?

Any idea about the corflex type instrumentation and control cables.

raghunath_n00@rediffmail.com

 

[Ash3184]

Morning,
TECK 90 is a canadian nomenclature and here is a descprition from one of my suppliers catalogues

Teck 90 600V
Multi Conductor
Aluminum Armor or Galvanized Steel, 90C, 600 V
XLPE Ensulation, Inner PVC Jacket,
Interlok Armor, Outer PVC Jacket.

Applications:
For exposed or concealed wiring in wet or dry locations. For use in ventilated, non-ventilated and ladder type cable trought and ventilated flexibles cableway in wet or dry locations. For direct earth burial. Approved for hazardous locations. Typical applications are for power, lighitng and control circuits in:
-Pulp and Paper Mills
-Refineries
-Steel Mills
-Commercial Centers
-Mines
-Generating Stations
-Industrial Plants
-Chemical Plants
-Food Processing Plants

Hope that helps

Ash

 

[TMD]

Some more websites showing Teck90 cable.

http://www.northerncables.com/teck90.aspx

http://www.cable.alcan.com/AlcanCable/EN/Products/Canada/Armoured+Cable/TECK90+Cables+.htm

I used to work in a coal wash plant in Canada......all wiring was Teck90. It was PVC covered which had to be removed in switchrooms for fire reasons. We cut the armour with a hacksaw at about 30 deg to the axis of the cable (perpendicular to the pitch angle). Twisting the armour (a helix) loosened the armour, allowing it to slide off the end of the cable.

 

[RRaghunath]

Thanks Ash3184 and TMD, it's a lot of info. The project specs were drawn looking at an old hydro project specs that was constructed by SNC Lavelin of Canada, I came to know later. Otherwise, the Teck90 was unknown in India (and may be in many parts of the world including Europe and USA).

Thanks once again.

 

[dclarklu58]

Teck90 is an pvc jacked interlocked armored cable (IAC) and the armor can be either steel of aluminum. Also, the conductors are enclosed in a overall pvc jacket within the IAC jacket. It is essentially a tray cable inside IAC jacket. Its construcrtion, durability, and cost make it an excelent choice for the more rigerous applications. Out side of that, standard pvc jacketed IAC would operate fine.

 

[rconnett]

One more thing - Teck cable was (apparently) developed specifically for installation in cold climates. It remains flexible at temperatures below other cable types, and is approved for installation at temperatures lower than other cable types.

It is also approved for direct burial.

 

[RRaghunath]

Great information rconnect. Thanks.

"It remains flexible at temperatures below other cable types.."

How to correlate the above with the material used in the Teck90 cables. My understanding is that the insulating material is normal PVC!! Could you please throw some more light on the subject.