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The ACI 104117 is a 24-volt indicating light fitted with a red round lens, designed for use as a visual status indicator in control panels, electrical enclosures, and HVAC equipment. The unit uses a lead connector for wiring and is built to provide a clear, color-coded signal for system status, fault indication, or circuit activation. At 0.2 pounds, it is a compact, lightweight component suited for panel-mounted applications. Electricians and HVAC controls technicians are the typical installers for this type of pilot light.
This indicating light is commonly used in low-voltage control circuits operating at 24 volts, including residential and light commercial HVAC systems, building automation panels, and industrial control enclosures. The red lens provides a universally recognized fault or active-status signal. Its lead connector design allows direct integration into terminal strip or wire-nut wiring schemes without specialized tooling.
Designed as an OEM-style replacement or new-installation indicating light for 24-volt control panels and electrical enclosures requiring a round red lens pilot light.
Installation should be performed by a licensed electrician or qualified HVAC controls technician. De-energize the control panel and verify zero voltage with a meter before handling wiring or mounting. Secure the light body per the panel manufacturer cutout specification and connect leads to the appropriate 24-volt circuit terminals. Follow applicable NEC guidelines for control wiring in the enclosure type being serviced.
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