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      <title>Using nested stock</title>
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      <div class="title_topic3" id="xps10_pagetitle">Using nested stock</div>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingtools/stock_overview.html');return(false);">Stock Overview</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingtools/nested_stock.html');return(false);">Related Topics</a></p>
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      </table><br><p class="para_topic">Consider stock nested when you use a segment to define the path for more than one routing stock (not including overstock). These multiple stocks on a segment could belong to the same application (for example, pipe inside a bigger pipe) or different applications (wire or a bundle inside a conduit).</p>
      <p class="para_topic">This functionality allows you to create, select, edit, or delete nested stock for a given routing path. You create nested stock simply by assigning stock to segments that already have stock, but with the <b class="uiTerm">Remove Existing Stock</b> option (<a class="links" href="javascript:void(0)" onclick="top.openFile('routingtools/stock_assign.html');return(false);">Step 2 of Assign Stock</a>) is turned off. To assure that a stock of one type does not make a connection to a fitting of a different type, assign them to different routing level. A stock and a part must be of the same routing level for their ports to connect.
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      <p class="para_topic">A fitting is assigned to the default routing level (as set in <b class="uiTerm">Preferences</b>) when it is placed. You can change the <b class="uiTerm">Routing Level</b> of a fitting using <b class="uiTerm">Edit Characteristics</b>. You can also assign stock to the default <b class="uiTerm">Routing Level</b> when assigned. You can change the <b class="uiTerm">Routing Level</b> of stock in <b class="uiTerm">Edit Characteristics</b> and also in the <b class="uiTerm">Stock</b> dialog box.
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      <p align="center"><img align="bottom" src="graphics/nested1.gif"></p>
      <p class="para_topic">This image shows nested stock/parts scenario with a wire routed through a pipe. This pipe is in turn, routed through a bigger pipe, positioned on a raceway. All these four types of stock share the same underlying segments. These four types of stocks create on four different routing levels. </p>
      <p align="center"><img align="bottom" src="graphics/nested2.gif"></p>
      <p class="para_topic">This close&ndash;up picture shows wire, pipe (1), pipe (2), and raceway stock created on the same path.</p>
      <p align="center"><img align="bottom" src="graphics/nested3.gif"></p>
      <p class="para_topic">This image shows different connections between nested stock and nested parts.</p>
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