Cables for Instrumentation Cables for Instrumentation NickParker (Electrical) (OP) 1 Sep 17 16:31 XHHW, TC, ITC, PLTC Cables: 1) In which location, these types of cables are used in Instrumentation? and why? 2) Which type of cable is expensive? 3) NEC article code to refer to these specifications? RE: Cables for Instrumentation 7anoter4 (Electrical) 2 Sep 17 10:10 For XHHW see: Art.310.10(B) and (C) [XLPE or EPR insulated power and control cable] for TC-Tray Cable-Art. 336 for ITC-Instrument Tray Cable- see Art.727 for PLTC-Power-limited [tray cables]-Art.725 http://www.awcwire.com/producttoc.aspx?id=pltc-tra... Use one of them if you have to follow a certain specification. The price depends on manufacturer-bidder.