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The ACI 104148 is a 24-volt indicating light designed for use in low-voltage control circuits across HVAC, electrical, and building automation applications. It features a clear, round lens that provides a clean, unobstructed status indication at a glance. The blade connector termination simplifies wiring during installation or replacement. At 0.1 pounds, this is a lightweight pilot light intended for panel-mount or equipment-mounted status indication. Licensed electricians and HVAC controls technicians are the typical installers for this type of indicator component.
This indicating light is suited for residential and light commercial control panels, HVAC equipment enclosures, and electrical distribution boards where a low-voltage visual indicator is required. The 24-volt rating aligns with common 24 VAC transformer outputs found in standard HVAC control circuits. The clear lens allows the underlying lamp color to display without tint, making it versatile across a range of status-indication applications.
Designed as an OEM-style replacement or new-installation indicating light for 24-volt control circuits in residential and light commercial HVAC and electrical panel applications.
Installation is typically performed by a licensed electrician or HVAC controls technician. De-energize the control circuit and verify zero voltage with a meter before handling wiring or replacing the indicator. Blade connector terminals should be fully seated and secure before restoring power. Follow applicable NEC requirements for low-voltage control wiring and panel labeling.
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