Appendix B
Wire Requirements
Connecting external system accessories to the PANEL main circuits must be carefully considered to ensure proper
operation. It is important to use the correct type of wire, wire gauge and wire run length per each PANEL circuit.
Reference the chart below to specify wire requirements and limitations for each PANEL.
TABLE B-1: Wire Requirements
CIRCUIT CONNECTIONS
CIRCUIT CONNECTIONS
WIRE REQUIREMENTS
WIRE REQUIREMENTS
CIRCUIT TYPE
CIRCUIT
FUNCTION
WIRE TYPE AND
LIMITATIONS
RECOMMENDED
MAX. DISTANCE
Feet (meters)
WIRE GUAGE
Initiating Device
Circuit
Connects to
Initiating Devices
Untwisted, unshielded wire
(Do not exceed 100 ohms)
10,000 (3,000 m)
8,000 (2,400 m)
4,875 (1,480 m)
3,225 (975 m)
12 AWG (3.25 mm
2
) Belden 9583
WPW999
14 AWG (2.00 mm
2
) Belden 9581
WPW995
16 AWG (1.30 mm
2
) Belden 9575
WPW991
18 AWG (0.75 mm
2
) Belden 9574
WPW975
EIA-485
Connects to
annunciator
modules and relay
module
Twisted, shielded pair with a
characteristic impedance of
120 ohms
6,000 (1,800 m)
18 AWG (0.75 mm
2
)
24 VDC resettable,
nonresettable
Connects to
annunciators and
other accessories
No more than 1.2 volt drop
allowed from supply source
to end of any branch
Distance limitation
set by 1.2 volt
maxi- mum line
drop
12 AWG (3.25 mm
2
) - 18 AWG
(0.75 mm
2
)
Page 36 of 36
Summary of Contents for HP101U
Page 6: ...Notes ...
Page 8: ...APPENDIX A BATTERY CALCULATIONS 27 APPENDIX B WIRE REQUIREMENTS 29 ...
Page 9: ...Main Circuit Board PANEL Terminals and Connectors Page 9 of 36 ...
Page 11: ...Page 11 of 36 ...
Page 12: ...The functions of terminal Page 12 of 36 ...
Page 13: ...Page 13 of 36 ...
Page 16: ...Page 16 of 36 ...
Page 17: ...FIGURE 1 3 2 PANEL 8 LEDs and Keypad Page 17 of 36 ...
Page 18: ...FIGURE 1 3 3 PANEL 16 LEDs and Keypad Page 18 of 36 ...
Page 24: ...Page 24 of 36 ...
