Is it legal to extend motor cable like this?

Is it legal to connect a 2-Wire Extension Cable to 3-Wire Extension Cable? Shows as below: https://lh3.googleusercontent.com/rD1gHJD8cNKG2j3gwyJlVQKd2WbtsGfVC3omMoYckoVbjRNkMGGXb8xKLdP_8Te2oWTvABjDWOYM-XQ=w1090-h653

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convert-jpg-to-pdf.net_2017-02-04_11-35-12.pdf (77.1 KB)

So I reread the manual section on this <R15>, and as far as I can tell this is actually 100% legal lol.

Ask an official Q&A though, let the VEX people answer this officially so if it is actually legal you can point to an official ruling if anyone gives you trouble.

It is legal

https://vexforum.com/t/answered-r15a-extension-cables-used-for-different-wire-count/25716/1

Thank u very much!