Cable tray systems must comply with article 318 with respect to ampacity, grounding, fill, spacing and segregation of cable types. Cables must comply with their respective NEC articles and should be listed but in Division 2 locations it is not necessary that they be listed for. Your practical guide to selecting, certifying, and installing aluminum cable trays safely in Class I Div 2 / Zone 1 areas—where sparks or corrosion must be avoided. “Can I use aluminum cable trays near hydrogen gas? What stops them from causing explosions?” If you manage petrochemical plants or. Provides technical requirements concerning the construction, testing, and performance of metal cable tray systems. It is the first joint effort of NEMA and CSA International to put in one place standards for metal trays per both NEMA and CSA methods. This article is about code requirements. ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or structural system use maintain spacing or to keep cables in place when the tray is ect the minimum. Cable types such as Power Limited Tray Cable (PLTC) must be mounted in cable tray with listed fittings to meet the requirements. Table 6 summarizes these methods and. cable trays are equivalent.
