Any company involved in the development of cable tray systems or accessories is eligible for membership. Annual dues are on a sliding schedule based on sales figures as reported to the National Electrical Manufacturers Association (NEMA). The Cable Tray Institute (CTI) was founded in 1991 to support the cable tray industry by engaging in research, development, education, and the dissemination of information designed to promote, enhance, and increase the visibility of the industry. Cable tray, introduced in the mid 1940s, is a safe. Cable trays are mechanical support systems that provide a rigid structural system for electrical cables, raceways, and insulated conductors used for electric power distribution, control, signal instrumentation, and communication. org for the latest news and updates. NEMA's new publications store is live, visit www. Consensus does not. Feel free to add your own! (Spam will be removed).
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