156XM Through Roof

Through roof assembly for aluminum roof cables to copper downleads, with premium die cast aluminum parallel connector at the top that accepts two cables. A 1/2" diameter x 18" long all thread stainless steel rod provides the through roof transition to a machined copper alloy vertical connector at the lower end. This assembly is used as a transition from roof to downlead cables at large eave overhangs or to bring exposed chimney air terminals through the roof to a concealed system. For conductors through No. 506/A508.

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  • Different length riser bars are available. Contact factory for additional information.