Like I said, I don't know and don't care if the "power pair" is twisted. But IF I were going to use it for power,
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Please explain how using single pair cable and not wiring pins4&5 will ever cause my DMX to "break." I can only think of three (highly unlikely) instances:
1. I require the talkback feature of long-defunct Entertainment Technology products. Yeah, right.
2. I'm using a HogII rigger's remote. Not in the last fourteen years.
3. I'm using an early Avolites Pearl and/or have cheater break-in/-outs to access a 2nd universe. As a standard practice, I've already long run a second cable as a spare, marked with yellow tape.
If I remember correctly Colin Waters said that having the two twisted pairs results in some minor additional stability to the signal. Note: this conversation was in the middle of NAMM, with a freaking bright blinder light in the GLP booth assaulting us... but that's how I remember what he said.