Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This Question of the Day, concerning whether cross bonding is required between the component parts of an all-metal DC cable management system, is answered by Legrand:
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| Metal cable management should be equipotentially bonded. |
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Question: When installing an all-steel cable management structure (tray, baskets and supports) in an all-steel container for telecoms cabling (48V DC and signal cables) with AC power and lighting - all contained in separate PVC trunking and conduit, is cross bonding required between all component parts of the DC cable management? Answer: European regulations state that 'responsibility of earthing is of the installer and not the manufacturer of the cable management system'. However, equipotential bonding of 4.0mm2 is recommended for all-metal cable management products.
To see many more Q & A in Voltimum UK's Experts Area, please click on the link: www.voltimum.co.uk/consult.php?universe=consult.index.questions
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