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1.1 These requirements and methods of tests apply to ceiling dampers and ceiling air diffusers intended for installation in hourly rated fire resistive floor-ceiling and roof-ceiling assemblies. Fire resistive assemblies are investigated in accordance with the Standard...
Specifies requirements and tests for ceiling roses having maximum ratings of 6 A and 250 V.
1.1 These requirements cover movable and wall- or ceiling-hung electric room-heating equipment rated 600 volts or less to be employed in ordinary locations in accordance with the National Electrical Code, ANSI/NFPA 70. 1.2 These requirements do not cover fixed heaters,...
1.1 These requirements cover indoor fixed electric heating systems for use on system voltages not exceeding 600 V. 1.2 The heating systems covered by this Standard are intended for installation in accordance with the National Electrical Code, NFPA 70, Article 424. 1.3 These requirements...
(Footnote *) This specification covers ½ in. [12.7 mm] thick gypsum ceiling board designed for use on interior ceilings with framing spaced not more than 24 in. [610 mm] on center and that affords a surface suitable to receive water-based texture and other decoration. This product is...
1.1 This specification covers 1/2 in. [12.7 mm] thick gypsum ceiling board designed for use on interior ceilings with framing spaced not more than 24 in. [610 mm] on center and that affords a surface suitable to receive water-based texture and other decoration. This product is also...
1.1 This specification covers 1/2 in. (12.7 mm) thick gypsum ceiling board designed for use on interior ceilings with framing spaced not more than 24 in. (610 mm) on center and that affords a surface suitable to receive water-based texture and other decoration. This product is also...
1.1 This specification covers 1/2 in. (12.7 mm) thick gypsum ceiling board designed for use on interior ceilings with framing spaced not more than 24 in. (610 mm) on center and that affords a surface suitable to receive water-based texture and other decoration. This product is also...
Suspended Ceiling Power Grid Systems and Equipment UL 2577 1.1 These requirements cover suspended ceiling grid low voltage/extra-low voltage systems and equipment intended for installation and use in accordance with the: In Canada: Canadian Electrical Code, Part I, Safety...
1.1 This classification covers ceiling products that provide acoustical performance and interior finish in buildings. Products used in performance spaces and other special applications in some cases require more detailed specification than provided by this classification. 1.2 This...
1.1 This classification covers ceiling products that provide acoustical performance and interior finish in buildings. Products used in performance spaces and other special applications may require more detailed specification than provided by this classification. 1.2 This classification...
1.1 This classification covers ceiling products that provide acoustical performance and interior finish in buildings. Products used in performance spaces and other special applications in some cases require more detailed specification than provided by this classification. 1.2 This...
