3.5 Connecting conduit entrances
Eight knockouts are provided for conduit connection. The location of each knockout is shown in Figure 6.
Figure 6: Knockout locations
To connect a conduit, complete the following steps:
1. Select the suitable knockout or knockouts and pull the conductors in the box.
2. Separate the non-power limited (NPL) wiring from the power limited (PL) wiring.
3. Maintain a minimum distance of 0.25 in. or 6.35 mm between non-power limited wiring and power limited wiring.
4. Power all auxiliary relay loads from the AUX power circuit or from a regulated, 24 VDC, power limited power supply that is UL
listed for fire protective signaling service.
page 12 579-1404 Rev A
2050 and 2250 Foundation Series Fire Alarm Control Units Installation Guide
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