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1.3
Input Connectors
Each power bus has two input connectors on the rear of the fuse panel through which input power is
provided. The two input power connectors are labeled "BATT" (battery) and "RTN" (return). Each
input connector consists of two pairs of studs (with nuts), each mounted on a plated copper bar. Each
set of studs can accept different size 2-hole compression lugs which can be used with a range of wire
sizes up to #2 AWG copper wire. Two 2-hole lugs per bus and one spare lug for use with #2 AWG
wire (five total) are provided with the circuit breaker panel. Additional lugs are available as
accessory items (see
1.4
Output Voltage
The output voltage will be the same voltage as the applied input voltage.
1.5
Output Connectors
Each output circuit has two connectors through which the output power is provided for
connection to telecommunications equipment. Each output connector consists of two screw-
down barrier terminal strips. Eight terminals with 6-32 screws are mounted in each terminal
block. Two terminal blocks are provided per bus (one block for output and one block for return).
The terminals are on 0.375 inch (9.525 mm) centers with a distance between barriers of 0.325
inch (8.26 mm). The terminals can accept #12 to #22 AWG copper wire with crimp-on spade
lug or ring connectors, or wires with the insulation stripped back. The connectors or wires are
inserted under the screws in the terminal strip, and the screws are tightened down.
1.6
Chassis Ground Connection
Two #10 studs (with nuts) are provided for grounding the circuit breaker panel chassis. The
studs are mounted on 0.625 inch (15.875 mm) centers. The ground connection can be used to
attach a separate grounding conductor when mounting the circuit breaker panel in non-
grounded or non-conducting material or when required by local practice. The studs can
accommodate 2-hole lugs and up to #6 AWG wire. Two crimp ring lug terminals for use with
two #10 AWG wires are provided with the circuit breaker panel. The circuit breaker panel can
be properly grounded using only one stud.
Section 2,
Accessories).
ADCP-80-531 • Issue 4 •July 2004
© 2006, ADC Telecommunications, Inc.
Page 9
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