Overhead Service Point Of Attachment

[iwire]

Which would be much less secure than the triplex or quadplex the POCO'S use. Why would the NEC not recognize this cable assembly?

If you can find, and purchase listed triplex you are good to go.

But as far as I know the vast majority of it is unlisted and unmarked. This is a manufacturers choice not the NEC.

The power companies do not require the listing.