AVS Special Member
Join Date: Sep 2007
Location: Give a monkey a brain...
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It may not be your house until you pay, so your builder may not want to allow you to run your own LV cables. When he subs out the LV prewiring, he adds a surcharge.
The LV sub may not want to use your cables, as he makes money off selling them to you.
I would use an alarm installer for the alarm system sensors. Talk to him about what extra cables to use, e.g. alarm keypad locations, wireless access points. It may be the alarm installer who will be contracted for all cables.
So, don't buy anything until you come to an agreement with the builder about letting you run cables yourself, using your own sub, or using the builder's subcontractor.
Some project managers are nicer than others, and may let you run some/all cables yourself, even if the builder says no.
If you prewire correctly, you can use a variety of hardware platforms. In 10 years, you may want to move to a different system, anyway.
Don't buy the hardware until you're ready to install it. Tech evolves rapidly, decisions change.
Don't forget to wire for doorbells. Bury speaker cables behind drywall until you're ready to use them, may take some time to getting around to it. Take thousands of photos of the cable locations before drywall goes up, to save yourself headaches later.
Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense. -Buddha
Give a monkey a brain and he'll swear he's the center of the universe. -Fishbone