Extron electronics SF 3C LP User Manual page 15

c.
Configure the cable conduit access plate:
When not using conduit: Route the speaker wires through the cable clamp.
When using conduit: Remove the cable clamp and install the conduit into the
plate opening. Secure the conduit to the plate with the locking nut and pull the
speaker wires from the conduit.
NOTE: The plate has an alternate hole available by removing the knockout. See
step 7a on the previous page to remove the knockout.
d. Strip 0.2 inches (5 mm) from the wire ends.
e. Attach the speaker wires to the captive screw connector depending on the
configuration, as illustrated by the following three methods.
Wiring Multiple Speakers Using Loop-through
When a chain of speakers is wired this way, disconnecting
one speaker removes power from all downstream speakers.
(Red)
1
(Black)
Power Amplifier
Speaker 1
Wiring Multiple Speakers in Parallel
When a chain of speakers is wired this way, disconnecting
one speaker does not remove power from the remaining
speakers in the chain.
(Red)
2
(Black)
Power Amplifier Speaker 1
Wiring a Single Speaker
(Red)
3
(Black)
Power Amplifier
Speaker 1
Figure 7. Attaching the Speaker Wires to the Connector
(Red) (Red)
(Black)
(Black)
Speaker 2
(Red)
(Red)
(Black)
(Black)
Speaker 2
Wire Gauge Table
Number of Wires per
Connection Point
1
2
4
SF 3C LP and SF 3CT LP User Guide • Installation
Maximum
Wire Gauge
12 AWG
16 AWG
18 AWG
9