2017-06-16 Letter to Suzanne Case re Inspections of Uncle Billy's

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(B) Supports. Horizontal runs of FMC supported by openings Through framing members at intervals not greater than 1.4 m (412 ft.) and securely fastened within 300 mm (12 in.) Of termination points shall be permitted. 352 Rigid Polyvinyl Chloride Conduits: Type PVC II. Installation 352.10 Uses Permitted. The use of PVC conduit shall be permitted in accordance with 352.10(A) through (H). (F) Exposed. PVC conduit shall be permitted for exposed work. PVC conduit used exposed in areas of physical damage shall be identified for the use. FPN: PVC Conduit, Type Schedule 80, is identified for areas of physical damage. (G) Underground Installations. For underground installations, homogenous and nonhomogeneous PVC shall be permitted for direct burial and underground encased in concrete. See Table 300.5 and 300.50. 352.12 Uses Not Permitted. PVC conduit shall not be used Under the conditions specified in 352.12(A) through (F). (C) Physical Damage. Where subject to physical damage Unless identified for such use. 352.30 Securing and Supporting. PVC conduit shall be Installed as a complete system as provided in 300.18 and shall Be fastened so that movement from thermal expansion or contraction Is permitted. PVC conduit shall be securely fastened And supported in accordance with 352.30(A) and (B) or permitted To be unsupported in accordance with 352.30(C).