UL 1480A-2021 pdf free download.STANDARD FOR SAFETY Speakers for Commercial and Professional Use.
4.2 The instructions are not prohibited from being incorporated on a visible interior o exterior surface of the product, on a separate sheet, or as part of a manual. When not included directly on the product, the instructions or manual shall be referenced in the marking information on the product, which shall include an issue date, number, or the equivalent.
CONSTRUCTION
ASSEMBLY
5 General
5.1 The construction of a speaker shall comply with the construction requirements contained in Sections
5 — 20 unless, where permitted by test, the construction is determined to be equivalent. A means of
determining construction equivalence shall comply with the requirements in Recommended Loudspeaker
Safety Practices, CEA-CEB19.
5.2 Unless specifically indicated otherwise, the construction requirements specified for a product also apply to any remote accessories with which it is to be employed.
5.3 If provision is made for testing the operability of a product, the means provided shall not involve a risk of electric shock or injury to persons.
5.4 A test means shall be constructed and located so as to reduce the risk of tampering by unauthorized personnel.
6 Enclosures
6.1 General
6.1.1 The frame and enclosure of a product shall have the strength and rigidity to resist total or partial collapse with attendant reduction of spacings, loosening or displacement of parts, and development of other conditions that could impair operation of the product and result in a risk of fire, electric shock, or injury to persons.
6.1.2 Uninsulated high-voltage electrical parts or hazardous moving parts of a product shall be located or enclosed to provide protection from unintentional contact by persons.
61.3 The mounting means of an enclosure shall be accessible without disassembly of any operating part of the product. Removal of a completely assembled panel to mount the enclosure is not considered to be disassembly of an operating part.
6.1.4 An attachment point provided for mounting of the speaker system shall be of sufficient strength for mounting as outlined in the installation instructions. See the mounting/handle securement test in Mechanical Strength Tests, Section 24.UL 1480A pdf download.