<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_c3ff908e-f13a-465e-8013-4328ab632610" outputclass="ncc-clause" variation="NSW"><meta><facet building="Class 1a"/><facet building="Class 1b"/><facet building="Class 10a"/><facet building="Class 10b"/><facet building="Class 10c"/></meta><sptc>I4D53</sptc><title id="_86343a57-d321-4a3a-9aef-60481fbcb632">Electric mains installation: separate sub-mains</title><archive-num>2019: NSW H101.19.3</archive-num><subclause id="_705d16dd-2ea5-4782-95e7-75be9d595b80" outputclass="subclause"><title id="_e5bba6e1-4121-4412-8f20-8b0f4485da16">SubClause</title><num>1</num><p>Where an <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/2451_0.6.0.xml#_410e8de4-5482-4e25-932f-371f1d5d6042" id="_47ee0d04-68f0-4f4f-98fd-ccce022458ad" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry">entertainment venue</xref> has its mains supply in common with that of another building or where it is a part of a building—</p><ol outputclass="alpha"><li id="_cf5856f1-c7e6-4802-b1ea-5ec8aa16b344">the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/2451_0.6.0.xml#_410e8de4-5482-4e25-932f-371f1d5d6042" id="_84f52728-24cb-422b-b215-68ceeef2897e" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry">entertainment venue</xref> must be served by a separate and independent sub-main from the main switchboard; and</li><li id="_91d821b0-20a4-43bc-a18d-1894e9939155">each sub-main, the consumer’s main and the supply authority’s conductors within the building must be protected against fire by means of—<ol><li id="_a4bc5eda-65df-42f8-83a2-d3e738807651">mineral-insulated metal-sheathed cables or other cables that provide at least 2 hours’ fire protection; or</li><li>heavy-duty PVC conduit or metallic pipe, concrete encased in walls or slabs with a minimum of 50 mm cover; or</li><li>heavy-duty PVC conduit or metallic pipe, buried at least 500 mm below ground level, for underground cabling.</li></ol></li></ol></subclause></clause>