Electrical asseblies and UL

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xoxota

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In the County of Los Angeles, assemblies must have the UL bug on them. The follwoing is my question: Is the a maximum number of UL items assembled together, so that the UL bug is not required? I seem to remeber a few years ago, that if you had an assemble composed of 7 or less UL listed items, a UL bug was not required, the assembly could be fabricated in the field. Can anyone please share some information and source.
Thank you!
 
From UL508A
1.3 This equipment consists of assemblies of two or more power circuit components, such as motor
controllers, overload relays, fused disconnect switches, and circuit breakers, or control circuit
components, such as pushbuttons, pilot lights, selector switches, timers, and control relays, or a
combination of power and control circuit components, with associated wiring, and terminals . These
components are mounted on, or contained within, an enclosure, or are mounted on a sub-panel
 
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