{"id":398879,"date":"2024-10-20T04:39:15","date_gmt":"2024-10-20T04:39:15","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-c37-21a-2020\/"},"modified":"2024-10-26T08:26:51","modified_gmt":"2024-10-26T08:26:51","slug":"ieee-c37-21a-2020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-c37-21a-2020\/","title":{"rendered":"IEEE C37.21a-2020"},"content":{"rendered":"

Amendment Standard – Active. Requirements for control, secondary, and logic-level wiring are addressed in this amendment. It covers wire type, ampacity, and methods for protecting wiring across a hinge.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nIEEE Std C37.21a\u2122-2020 Front cover <\/td>\n<\/tr>\n
2<\/td>\nTitle page <\/td>\n<\/tr>\n
4<\/td>\nImportant Notices and Disclaimers Concerning IEEE Standards Documents <\/td>\n<\/tr>\n
8<\/td>\nParticipants <\/td>\n<\/tr>\n
11<\/td>\nContents <\/td>\n<\/tr>\n
12<\/td>\n7. Construction
7.1 General requirements
7.1.5 Control and secondary circuits and devices, and all wiring <\/td>\n<\/tr>\n
13<\/td>\n7.1.5.1 General
7.1.5.2 Voltage transformer fusing
7.1.5.3 Control, secondary, and logic level wiring <\/td>\n<\/tr>\n
14<\/td>\n7.1.5.3.1 Wiring across a hinge
7.1.5.3.2 Wire size <\/td>\n<\/tr>\n
15<\/td>\n7.1.5.3.3 Wire protection and support
7.1.5.3.4 Wire type <\/td>\n<\/tr>\n
16<\/td>\n7.1.5.9 Voltage circuit protection
7.1.5.10 Current transformer secondary circuit protection <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Standard for Control Switchboards–Amendment 1: Control and Secondary Circuits and Devices, and All Wiring<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2020<\/td>\n16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":398882,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-398879","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","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\/398879","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\/398882"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=398879"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=398879"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=398879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}