I had never heard of this Tech90 cable until I found this site.
Looked it up and thought that is something I could use were I'm working at now.
Found out it is made by Beldan.
Checked our local distributor and got a don't know if it's available in the US.
Been a week or so and yet to hear back.

 

I've ran miles of it, mostly geothermal power plants but elsewhere too.

I've used both the power version (600V to 35KV) and the control version. The largest was 1250MCM, 15KV, about 5" in diameter. Lots of 18/2 shielded, about 1/2" in diameter.

Around here, it takes a while to get but if you plan well, it isn't a problem.

I've used it in hazardous locations, the explosion-proof fittings are $$$ though.

 

Tray Cable TC-ER-JP 600V

 

Its more like PVC jacketed MC cable

 

I have some but, we cant seem to source the fittings

 

In Canada, we use a normal connector like you would use for MC if it’s indoors. We strip back the jacket to bond the armour. Outdoors, we use a Teck connector. Big difference in price.

 

I use up to 12 conductor #12 in commercial jobs. Conductors are all black with numbers.

 

Multiple AC power circuits or controls?

Some of what I use has numbered conductors, a lot has solid colors.

 

I've used 40c/10# and other large multiconductor cables. After 4 conductors it's usually just black with numbers. Same thing for 20pr/18# instrumentation teck90 except the white of the pair is labeled.

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I don't see why you could not use C-L-X Type MC cable in a residential setting. It seems like it is available online and not that expensive if you consider the time savings during installation.
I have never actually used it but from what I can see the waterproof fittings are what seem to cost the most.
"Authorized for use on services, feeders and branch circuits for power, lighting, control and signaling circuits in accordance with Articles 330 and 725 of the NEC"

 

 

Phase tape is something any respectable electrician would avoid as much as possible. Conductors 4/0 and larger would be a better number. I just cant understand the reason for restricting wire size. 4/0 and smaller is not much of a challenge to get the colors you want. I'm mainly talking "new construction" where you should have enough time to order wire of choice.

In emergency repairs phase tape should be used and I would not discourage it. I just cant wrap my head around why they limit it to #4 or larger. Too hard to wrap the tape on anything smaller.