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The ACI 104110 is a 24-volt green lens indicating light designed for use in low-voltage control panel and equipment status applications. It features a round lens and a leads connector for straightforward wiring into control circuits. This indicator light signals operational status — such as power-on, call-for-heating, or system-active conditions — in HVAC, building automation, and industrial control assemblies. Electricians and controls technicians install this type of device during panel builds or equipment retrofits where a clear, reliable visual indicator is required at the board or enclosure level.
This indicating light is suited for residential and light commercial control panel applications operating on 24-volt AC or DC circuits, which is the standard low-voltage control circuit potential in HVAC systems. The green lens color conventionally denotes a run, active, or normal operating condition. Its leads connector termination makes it compatible with common panel wiring practices without requiring specialized tooling for installation.
Designed as an OEM-style replacement or new-installation indicating light for 24-volt control panels and enclosures in HVAC, building automation, and light commercial electrical applications.
Installation is typically performed by a licensed electrician or qualified controls technician. De-energize the control circuit and verify zero voltage at the panel terminals before wiring the leads. Secure the light body per the enclosure manufacturer's cutout specification and observe applicable NEC requirements for control circuit wiring and panel assembly. Do not apply line voltage to a 24-volt rated indicator.
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