Bosch UHI-SBG-0 User Manual Page 20

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UHI-SBG-0 Series Installing the Housing | en 11
Bosch Security Systems, Inc. Installation Manual September 15, 2006 | F01U032279_01
5.4 Wire Preparation
Supply the UHI-SBG-0 with power by using a power cord that complies with the Nec 400-4
CEC rule 4-010 and is marked with INDOOR, W or W-A. For 24 V cameras, use the recom-
mended maximum cable length chart for selecting the proper wire size.
Table 5.1 Maximum cable lengths for 24 V camera housings
Preparing the Power Supply
Cut the power cord on 120 VAC and 230 VAC camera models; leave enough cable to allow a
connection to the terminal block. Strip no less than 6 mm (0.25 in.) and no more than 8 mm
(0.31 in.) of insulation away from the wire. Do not nick the wires.
Preparing the Terminal Block
Wire sizes larger than 2.5 mm
2
(14 AWG) require a splice to accommodate the terminal block.
The terminal block accepts wires ranging from 0.5 to 2.5 mm
2
(20 to 14 AWG). When using
larger wire sizes, splice to a smaller size wire at the terminal block end. The splice may need
to be enclosed in a junction box if it does not pass through the fittings.
Fig. 5.6 Terminal Wiring
Wire Size mm
2
Wire Size AWG Housing Distance
0.5 20 27 m (90 ft)
1 18 42 m (140 ft)
1.5 16 67 m (220 ft)
2.5 14 108 m (355 ft)
4 12 172 m (565 ft)
WIRING DIAGRAM
12 V - 230 V AC/DC L
NCamera
GND .............
(not used) X
!
WARNING! External interconnecting cables are to be installed in accordance to NEC, ANSI/
NFPA70 (for US application) and Canadian Electrical Code, Part I, CSA C22.1 (for CAN
application) and in accordance to local country codes for all other countries.
Branch circuit protection incorporating a 20 A, 2-pole Listed Circuit Breaker or Branch Rated
Fuses are required as part of the building installation. A readily accessible 2-pole disconnect
device with a contact separation of at least 3 mm must be incorporated.
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