Spina manufactures and supplies standard and tailor made electric cable tray systems and cable tray accessories UL certified.
The product line is continuously growing thanks to the cutting-edge technical skills developed over the years. It offers a complete product catalogue of ladders cable tray, perforated cable trays, cable tray covers and cable tray accessories realized in accordance with the customer specifications.
The electrical continuity of the cable trays is guaranteed by the correct assembly of joints and/or the copper bonding jumper; for this purpose, properly marked grounding holes are made on the cable trays and related accessories. In the case of galvanized and then painted cable trays, the hole on which to secure the copper bonding jumper is protected, so that it adheres to the galvanized metal part. Tests on cable trays straddling the joint are compliant with the provisions of standard UNI EN 61537, NEMA VE1, NFPA 70 (NEC).
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