<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">see previous post if looking at the shaft of the motor, CW is clock wise ie Black-red-blue but but just because you have thoes colors does not mean it was done correctly. always check rotation either with a rotation meter or with a motor by bumping the motor to check its rotation.<BR><BR>--- On <B>Sat, 8/21/10, Marco Mangelsdorf <I><marco@pvthawaii.com></I></B> wrote:<BR>
<BLOCKQUOTE style="BORDER-LEFT: rgb(16,16,255) 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px"><BR>From: Marco Mangelsdorf <marco@pvthawaii.com><BR>Subject: [RE-wrenches] useful info on wire color coding<BR>To: "'RE-wrenches'" <re-wrenches@lists.re-wrenches.org><BR>Date: Saturday, August 21, 2010, 9:44 PM<BR><BR>
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<P class=yiv405764285MsoNormal>But I’m still trying to determine if the black-red-blue and brown-orange-yellow sequences are appropriate for clockwise or counter-clockwise phase rotations.</DIV>
<P class=yiv405764285MsoNormal> </DIV>
<P class=yiv405764285MsoNormal>marco</DIV>
<P style="MARGIN-BOTTOM: 0.25in; BACKGROUND: white; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in" class=yiv405764285MsoNormal><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">US, AC:</SPAN></B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">The US National Electrical Code only mandates white (or grey) for the neutral power conductor and bare copper, green, or green with yellow stripe for the protective ground. In principle any other </SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">colors</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> except these may be used for the power conductors. Black, red, and blue are used for 208 VAC three-</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">phase</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">; brown, orange and yellow are used for 480 VAC.
Conductors larger than #6 AWG are only available in black and are color taped at the ends. </SPAN></DIV>
<P style="MARGIN-BOTTOM: 0.25in; BACKGROUND: white; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in" class=yiv405764285MsoNormal><A name=wire3.tbl rel=nofollow><I><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">US AC power circuit wiring color codes.</SPAN></I></A><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"></SPAN></DIV>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Function</SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">label</SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Color, common</SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Color, alternative</SPAN></B></DIV></TD></TR>
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<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Protective ground</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">PG</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">bare, green, or green-yellow </SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">green</SPAN></DIV></TD></TR>
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<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Neutral</SPAN></DIV></TD>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">N</SPAN></DIV></TD>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">white</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">grey</SPAN></DIV></TD></TR>
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<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Line, single </SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">phase</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"></SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">black or red (2nd hot)</SPAN></DIV></TD>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> </SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Line, 3-</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">phase</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"></SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L1</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">black</SPAN></DIV></TD>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">brown</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Line, 3-</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">phase</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"></SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L2</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">red</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">orange</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Line, 3-</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">phase</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"></SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L3</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">blue</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">yellow</SPAN></DIV></TD></TR>
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<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt"></TD></TR></TBODY></TABLE>
<P class=yiv405764285MsoNormal> </DIV>
<P style="MARGIN-BOTTOM: 0.25in; BACKGROUND: white; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in" class=yiv405764285MsoNormal><A href="http://upload.wikimedia.org/wikipedia/commons/c/cc/3_phase_AC_waveform.svg" rel=nofollow target=_blank><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt; TEXT-DECORATION: none"><IMG id=yiv405764285Picture_x0020_1 border=0 alt="File:3 phase AC waveform.svg" src="cid:1.945219620@web51901.mail.re2.yahoo.com" width=548 height=408></SPAN></B></A><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"></SPAN></B></DIV>
<P style="MARGIN-BOTTOM: 0.25in; BACKGROUND: white; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in" class=yiv405764285MsoNormal><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">US DC power:</SPAN></B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> The US National Electrical Code (for both AC and DC) mandates that the grounded neutral conductor of a power system be white or grey. The protective ground must be bare, green or green-yellow striped. Hot (active) wires may be any other </SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">colors</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> except these. However, common practice (per local electrical inspectors) is for the first hot (live or active) wire to be black and the second hot to be red. The recommendations in Table <A href="http://www.allaboutcircuits.com/vol_5/chpt_2/2.html#wire5.tbl"
rel=nofollow target=_blank><SPAN style="COLOR: #206ae8">below</SPAN></A> are by Wiles. <A href="http://www.allaboutcircuits.com/vol_5/chpt_2/2.html#JWi.bibitem" rel=nofollow target=_blank><SPAN style="COLOR: #206ae8">[JWi]</SPAN></A> He makes no recommendation for ungrounded power system </SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">colors</SPAN><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">. Usage of the ungrounded system is discouraged for safety. However, red (+) and black (-) follows the coloring of the grounded systems in the table. </SPAN></DIV>
<P style="MARGIN-BOTTOM: 0.25in; BACKGROUND: white; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in" class=yiv405764285MsoNormal><A name=wire5.tbl rel=nofollow><I><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">US recommended DC power circuit wiring color codes.</SPAN></I></A><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"></SPAN></DIV>
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<TBODY>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Function</SPAN></B></DIV></TD>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">label</SPAN></B></DIV></TD>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Color</SPAN></B></DIV></TD></TR>
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<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Protective ground</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">PG</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">bare, green, or green-yellow</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> 2-wire ungrounded DC Power System</SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> </SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> </SPAN></B></DIV></TD></TR>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Positive</SPAN></DIV></TD>
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<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L+</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">no recommendation (red)</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Negative</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L-</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">no recommendation (black)</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> 2-wire grounded DC Power System</SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> </SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> </SPAN></B></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Positive (of a negative grounded) circuit</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L+</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">red</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Negative (of a negative grounded) circuit</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">N</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">white</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Positive (of a positive grounded) circuit</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">N</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">white</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Negative (of a positive grounded) circuit</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L-</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">black</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> 3-wire grounded DC Power System</SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> </SPAN></B></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><B><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt"> </SPAN></B></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Positive</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L+</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">red</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Mid-wire (center tap)</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">N</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">white</SPAN></DIV></TD></TR>
<TR>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">Negative</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">L-</SPAN></DIV></TD>
<TD style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt; PADDING-TOP: 0.75pt">
<P style="TEXT-ALIGN: center" class=yiv405764285MsoNormal align=center><SPAN style="FONT-FAMILY: 'sans-serif'; COLOR: #333333; FONT-SIZE: 9.5pt">black</SPAN></DIV></TD></TR></TBODY></TABLE>
<P class=yiv405764285MsoNormal> </DIV>
<P class=yiv405764285MsoNormal> </DIV></DIV></DIV><BR>-----Inline Attachment Follows-----<BR><BR>
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