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Are the support spacing requirements the same for RTRC conduit as they are for rigid PVC conduit?

April 26, 2017conduit PVC requirements rigid spacing support

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Are the support spacing requirements the same for RTRC conduit as they are for rigid PVC conduit?

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Although RTRC has a much higher flexural strength than other Rigid Nonmetallic Conduits (RNC) such as PVC, the current NEC® spacing requirements specified in Table 352.30(B), are the same for both materials. However, the CEC® recognizes this material difference and therefore specifies longer distances for RTRC (rule 12-1216) than for rigid PVC (rule 12-1114). 14.