{"id":451195,"date":"2024-10-20T09:16:32","date_gmt":"2024-10-20T09:16:32","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-7870-3-502023\/"},"modified":"2024-10-26T17:17:13","modified_gmt":"2024-10-26T17:17:13","slug":"bs-7870-3-502023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-7870-3-502023\/","title":{"rendered":"BS 7870-3.50:2023"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
5<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
8<\/td>\n3 Terms and definitions
4 Voltage designation
5 Core conductors
Table 1 \u2014 Aluminium conductor 3-core, 3-phase cables <\/td>\n<\/tr>\n
9<\/td>\nTable 2 \u2014 Aluminium conductor 4-core, 3-phase cables
6 Insulation <\/td>\n<\/tr>\n
10<\/td>\n7 Assembly of cores
8 Concentric conductor
8.1 Material
8.2 Application
8.3 Bedding layer
9 Oversheath <\/td>\n<\/tr>\n
11<\/td>\n10 Marking
10.1 External marking <\/td>\n<\/tr>\n
12<\/td>\n10.2 Additional marking
11 End sealing
12 Dimensions
13 Tests
Table 3 \u2014 Schedule of tests <\/td>\n<\/tr>\n
13<\/td>\n14 Routine tests
14.1 General <\/td>\n<\/tr>\n
14<\/td>\n14.2 Conductor resistance
14.3 Voltage test on complete cable
14.4 Spark test
15 Sample tests
15.1 General
15.2 Aluminium conductor tensile test
15.3 Insulation thickness
15.4 Insulation shrinkage at service temperature <\/td>\n<\/tr>\n
15<\/td>\n15.5 Removal of extruded bedding layer
15.6 Concentric conductor wire gaps
15.7 Oversheath thickness and removal
15.8 Flame propagation on a single cable
15.9 Smoke emission <\/td>\n<\/tr>\n
16<\/td>\n16 Type tests
16.1 General
16.2 Corrosive and acid gas
16.3 Insulation
16.4 Shrinkage of insulation
16.5 Waveform repeat and developed length test
Figure 1 \u2014 Copper waveform
16.6 Oversheath <\/td>\n<\/tr>\n
17<\/td>\n16.7 Shrinkage of oversheath
16.8 Insulation resistance of oversheath
16.9 Bend test
16.10 Compatibility test
Table 4 \u2014 Requirements for compatibility of insulation and oversheath
16.11 Flame propagation on multiple cables
16.12 Smoke emission
16.13 Abrasion test <\/td>\n<\/tr>\n
18<\/td>\nAnnex A (informative)\u2002 Guide to selection and use of cables
Table A.1 \u2014 Guide to use <\/td>\n<\/tr>\n
19<\/td>\nAnnex B (informative)\u2002 Guidance on type tests
Annex C (normative)\u2002 Dimensional requirements of solid aluminium conductors
Figure C.1 \u2014 Conductor profile <\/td>\n<\/tr>\n
20<\/td>\nTable C.1 \u2014 Solid aluminium conductor dimensions
Annex D (normative)\u2002 Test for shrinkage of oversheath on cable <\/td>\n<\/tr>\n
22<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

LV and MV polymeric insulated cables for use by distribution and generation utilities – Distribution cables of rated voltage 0.6\/1(1.2) kV. Specification – XLPE insulated, copper wire waveform or helical concentric cables with solid aluminium conductors, having low emission of smoke and corrosive gases when affected by fire (Implementation of HD 603)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2023<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":451202,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[493,2641],"product_tag":[],"class_list":{"0":"post-451195","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-060-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/451195","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\/451202"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=451195"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=451195"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=451195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}