<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
</head>
<body text="#000000" bgcolor="#FFFFFF">
<p><font face="Verdana">I <font face="Verdana">am wondering about
the <font face="Verdana">experience installers have with a DC
coupled multimode <font face="Verdana">system design that w<font
face="Verdana">ill comply </font></font></font></font></font><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana">after <font face="Verdana">January
1 </font></font></font></font></font></font></font>with
what <font face="Verdana">I feel is t<font
face="Verdana">he biggest mistake/poorly guided part
of NEC 201<font face="Verdana">7 </font>690, and t<font
face="Verdana">hat is </font></font></font>690.<font
face="Verdana">12<font face="Verdana">. <font
face="Verdana">We are install<font face="Verdana">ing
two Ou<font face="Verdana">tback <font
face="Verdana">s<font face="Verdana">ystems
with the rem<font face="Verdana">ote c<font
face="Verdana">ontrolle<font
face="Verdana">d combiner and even
that w<font face="Verdana">on't
comply after January 1 unless we <font
face="Verdana">parallel more
subarrays (There's safety for
you, <font face="Verdana">lower
voltage<font face="Verdana">-hi<font
face="Verdana">gher ampe<font
face="Verdana">rage!).
Thanks for any insight.
<br>
</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana">Chris</font><br>
</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><br>
</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><br>
</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font><br>
</p>
<div class="moz-signature">-- <br>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<div class="moz-signature"><br>
<div class="moz-signature">
<meta http-equiv="content-type" content="text/html;
charset=utf-8">
<div class="moz-signature">
<div class="moz-signature">
<div class="moz-signature">
<div class="moz-signature">
<div class="moz-signature">
<meta http-equiv="content-type" content="text/html;
charset=utf-8">
<font size="-1"> Christopher Warfel, PE<br>
ENTECH Engineering, Inc.<br>
PO Box 871, Block Island, RI 02807<br>
(401)466-8978</font><br>
<div class="moz-signature"> <br>
<meta http-equiv="content-type"
content="text/html; charset=utf-8">
<title></title>
<a href="http://entech-engineering.com"><img
moz-do-not-send="false"
src="cid:part1.B1425611.CA5B1290@entech-engineering.com"
alt="EEI logo" height="89" width="201"
border="0"></a> </div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>