The current-carrying capacities of cables in the bottom are determined by a ground resistivity equivalent to 2.5 K•m/W. For other values, the correction element is offered in Figure G14.
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[a] Insulated conductors are admitted If your cable trunking systems provide at least he diploma of defense IP4X or IPXXD and when the quilt can only be taken out by the use of a tool or a deliberate action.
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The values of k5 based on the 3rd harmonic content material are presented in Determine G19. 3rd harmonic content material of stage existing % Correction variable
Agreed. If actuality the (sixteenth Ed) OSG in appendix three suggests T&E is generally suitable "on exterior area walls, boundary walls and the like" with simply a comment that security from sunlight might be vital. - Andy.
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