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Chapter 6 Installing the EX2 expansion module
88 BAS-APG001-EN
Figure 46. Mounting the metal-enclosure EX2
AC-power wiring
Use 16 AWG copper wire for ac-power wiring. All wiring must comply
with National Electrical Code and local codes. Use a UL-listed Class 2
power transformer supplying a nominal 24 Vac. The transformer must be
sized to provide adequate power to the EX2 module (10
VA) and outputs
(a maximum of 6 VA per binary output).
Please read the warnings and cautions before proceeding.
ƽWARNING
Hazardous voltage!
Before making line voltage electrical connections, lock open the supply-
power disconnect switch. Failure to do so could result in death or seri
-
ous injury.
ƽWARNING
Hazardous voltage!
Make sure that the 24 Vac transformer is properly grounded. Failure to
do so could result in death or serious injury.