{"id":693734,"date":"2024-11-06T05:34:04","date_gmt":"2024-11-06T05:34:04","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ul-25772018\/"},"modified":"2024-11-06T05:34:04","modified_gmt":"2024-11-06T05:34:04","slug":"ul-25772018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ul\/ul-25772018\/","title":{"rendered":"UL 2577:2018"},"content":{"rendered":"

1 Scope<\/b><\/p>\n

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:<\/p>\n

\n

In Canada:<\/b><\/p>\n

\n

Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, CSA C22.1,<\/p>\n<\/blockquote>\n

In the United States:<\/b><\/p>\n

\n

National Electrical Code (NEC), ANSI\/NFPA 70.<\/p>\n<\/blockquote>\n<\/blockquote>\n

1.2 The suspended ceiling grid low voltage\/extra-low voltage systems covered by this standard are intended to be installed as a suspended ceiling grid that provides mechanical support for the ceiling tiles and provides electrical connections between the low voltage\/extra-low voltage power supply and the low voltage\/extra-low voltage equipment. The low voltage\/extra-low voltage system consists of the following components:<\/p>\n

\n

a)\u00a0\u00a0\u00a0\u00a0An isolating type low voltage\/extra-low voltage power supply with output(s) operating at 30 V (42.4 V peak) or less and not exceeding Class 2 power limits,<\/p>\n

b)\u00a0\u00a0\u00a0\u00a0A grid rail power distribution system to provide power from the Class 2 power supply to one or more pieces of Class 2 powered equipment, and<\/p>\n

c)\u00a0\u00a0\u00a0\u00a0Class 2 powered equipment that is electrically connected to the suspended ceiling grid low voltage\/extra-low voltage system.<\/p>\n<\/blockquote>\n

1.3 The suspended ceiling grid low voltage\/extra-low voltage system is intended to be permanently connected, for indoor dry locations, and installed in accordance with the following requirements:<\/p>\n

\n

In Canada:<\/b><\/p>\n

\n

Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, CSA C22.1, and the National Building Code of Canada.<\/p>\n<\/blockquote>\n

In the United States:<\/b><\/p>\n

\n

National Electrical Code (NEC), ANSI\/NFPA 70, the International Building Code (IBC), and the International Mechanical Code (IMC).<\/p>\n<\/blockquote>\n<\/blockquote>\n

This standard also covers suspended ceiling grid low voltage\/extra-low voltage systems intended for use in air-handling spaces.<\/p>\n

1.4 This standard does not address any supplemental or alternative requirements for suspended ceiling grid low voltage\/extra-low voltage systems intended for use in:<\/p>\n

\n

In Canada:<\/b><\/p>\n

\n

a)\u00a0\u00a0\u00a0\u00a0Hazardous locations as specified in the Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, CSA C22.1;<\/p>\n

b)\u00a0\u00a0\u00a0\u00a0General patient care areas or critical patient care areas as defined by Section 24 of the Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, CSA C22.1; or<\/p>\n

c)\u00a0\u00a0\u00a0\u00a0Emergency systems as defined by Section 46 of the Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, CSA C22.1.<\/p>\n<\/blockquote>\n

In the United States:<\/b><\/p>\n

\n

a)\u00a0\u00a0\u00a0\u00a0Hazardous locations as specified in the National Electrical Code (NEC), ANSI\/NFPA 70;<\/p>\n

b)\u00a0\u00a0\u00a0\u00a0General patient care areas or critical patient care areas as defined by Article 517 of the National Electrical Code (NEC), ANSI\/NFPA 70; or<\/p>\n

c)\u00a0\u00a0\u00a0\u00a0Emergency systems as defined by Article 700 of the National Electrical Code (NEC), ANSI\/NFPA 70.<\/p>\n<\/blockquote>\n<\/blockquote>\n

1.5 This standard does not evaluate the suspended ceiling grid low voltage\/extra-low voltage system for seismic requirements in accordance with the:<\/p>\n

\n

In Canada:<\/b><\/p>\n

\n

National Building Code of Canada.<\/p>\n<\/blockquote>\n

In the United States:<\/b><\/p>\n

\n

International Building Code (IBC).<\/p>\n<\/blockquote>\n<\/blockquote>\n

1.6 This standard does not evaluate the suspended ceiling grid low voltage\/extra-low voltage systems for fire resistance.<\/p>\n","protected":false},"excerpt":{"rendered":"

Suspended Ceiling Grid Low Voltage Systems and Equipment<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
UL<\/b><\/a><\/td>\n2018-08-03<\/td>\n51<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":693744,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2680],"product_tag":[],"class_list":{"0":"post-693734","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ul","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/693734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/693744"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=693734"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=693734"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=693734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}