Business & Professions Code Division 3, Chapter 9. Contractors, Article 4. Classifications

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A prefabricated products/equipment contractor performs installations of prefabricated products/equipment, including but not limited to the following:

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(a) Theater stage equipment, school classroom equipment, playground equipment, bleacher bench/seat component parts (no installation or renovation of any supporting or structural member); store fixtures, and display cases (either prefabricated or modular form); all forms and types of toilet/shower room partitions/accessories; and prefabricated closet systems.

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(b) Laboratory and medical equipment, dust collecting systems; factory built fireplaces and accessories (no masonry facing); major appliance installations and ventilating hoods in connection with existing fuel and energy lines which are installed by others.

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(c) Bus stop shelters, prefabricated phone booths; prefabricated sound proof environmental clean rooms; panelized refrigerated walk-in boxes (not to include the work of refrigeration contractor); all types of modular office, institutional or home improvement systems including, but not limited to all types of pre-finished and/or UL listed pre-wired wall panels.