4.13.2 Spacings at wiring terminals to which supply connections are made in the field shall comply with
Table 5:
a) between uninsulated live parts of opposite polarity;
b) between uninsulated live parts and noncurrent-carrying metal parts; and
c) between line voltage parts and extra low voltage parts.
4.13.3 At a terminal screw and stud to which connection may be made in the field by means of a wire
connector, an eyelet, or the like, it is required that the spacings be not less than those specified in Table
5 when such connector, eyelet, or the like is in such position that minimum spacings – between opposite
polarity and to noncurrent-carrying metal – exist.
4.13.4 Spacings shall comply with Table 6 at points other than as specified in Clause 4.13.2 or 4.13.3 that
are:
a) between uninsulated live parts of opposite polarity;
b) between uninsulated live parts and noncurrent-carrying metal parts including the enclosure;
and
c) between line voltage parts and extra low voltage parts.
应该如何理解！作者: aiduoxi 时间: 2010-11-4 12:13 http://www.angui.org/read.php?tid-8358-keyword-1017.html中英文版本
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对于以上理解请参考中文版本，谢谢