(resending, having some email issues) a) first you need the correct wire: http://stevenengineering.com/tech_support/PDFs/37PCBMTACN.pdf which for 18ga. is UL 1007. b) MTA = Mass Termination Assembly = IDC = Insulation Displacement Connector. That means: a special tool is needed to "cram" the *stranded* wire into the connector so that little blades slice through the insulation and make contact with the wire. Same thing that ribbon cables do, but on a larger scale c) There is a low-cost AMP tool, Mouser (www.mouser.com) part #571-598041 (for MTA-156) and also #571-598031 (for MTA-100). This is used to 'cram' the wire into the contact, assuming that the connector is somehow secured beforehand (I've use a PanaVise). These are $22.00ea. I use a pneumatic machine with a "feedthrough" tool that cost $430. But I've made over 8,000 cables so big deal > d) note that MTA-156 is designed for 18ga wire with PVC insulation rate 300V or less (this is to control the thickness of the wire versus the thickness of the insulation). > e) also note there are "dust covers" that slide over the female IDC connectors. The Mouser part number for the 4-pin MTA-156 is a #571-6405514 and these run $0.18ea. > Paul S. >
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Making power cables
2008-06-09 by Paul Schreiber
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