Soldering is not restricted by the NEC - see section 110.14 "Electrical Connections" for details.
Properly crimped connections can be as reliable and are electrically similar to properly done crimped AND soldered connections (the NEC does not allow soldered only connections - perhaps that was what you meant? See 110.14(B) for that restriction.) I do not think that soldering skills is a "must have" requirement for a solar installer technician anymore - other than for plumbing - which is a different thing. Christopher Christopher Freitas Director of Research and Development OutBack Power Systems, Inc. [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> Tel 360 435 6030 Cell 360 202 4239 19009 62nd Ave NE Arlington WA 98223 USA www.outbackpower.com <http://www.outbackpower.com/> MESSAGE CONFIDENTIALITY NOTICE: This message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2521, is confidential, and may also be protected by attorney-client or other privilege. If you believe that it has been sent to you in error, please do not read it. If you are not the intended recipient,you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error, then delete it. Thank you.
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