In circuits up to 4.5 amps, the 18/8 cable is used for:
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Control circuits requiring multiple signal or power lines
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Low-voltage wiring in industrial automation and machinery
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Communication and remote signaling systems
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Wiring for sensors, switches, and indicators
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Alarm and security systems with multiple zones
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Multi-channel audio or intercom installation
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Lighting control and dimming systems with shared power and signal paths
