CCA
Basically its ****, and gives a much higher resistance than standard copper cable. Measure the resistance on the runs, you'll be surprised (maybe)
We tend to fire the video down a twisted pair (browns), then power down the two others. So thats the blues twisted together, and the oranges.
nope
You done need to be qualified to be an electrician, just competent.
Under the scope of competent, the only way to "prove" you are, would be works done follows 7671.
So thats where all the paperwork comes from.
Change the output of the panel to detector reset. Then connect the 0v of your viper to it. This will power cycle the unit every time you set the alarm, thus clearing the led.
In the book of words
We've still got a load of Logic 4's and old Bentleys out there under maintenance, got a REALLY old ADE panel in our stores, boss wont let it go, cream metal cased thing with a KS, i'll have to grab a pic!
First system I installed myself was probably an Optima!