Adding 8XP to a Texecom Elite panel - power off or not?

12 Feb 2021
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United Kingdom
Hi all,

Just about to add an 8XP to my Premier Elite 48 panel and I note the following from the manual:

Before connecting keypads, zone expanders and output modules, isolate ALL power from the control panel (AC Mains & Battery). Do not continue if there is still power present on the control panel. Connecting devices with power still present on the control panel may damage the device or control panel and invalidate any warranty.
Question for the guys that do this every day - do you /really/ need to do this, if careful not to short out the networking wires while connecting it up? In my case, the 8XP has a separate power source (it's a PSU200XP), so I'd only be doing a 3-wire connection anyway. I can power it down if really needed, but this involves ladders if I want to avoid the external bell box going off while doing it.
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