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225.12 Open-Conductor Supports
Related Code Sections
225.12 Wiring and Protection, Open-Conductor Supports
Open conductors shall be supported on knobs, racks, brackets, or strain insulators, that are made of glass, porcelain, or other approved materials ...
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(B) Wiring Methods and Materials, Conductor Sizes 8 AWG and Larger
Supports for conductors 8 AWG or larger installed across open spaces shall be permitted up to 4.5 m (15 ft) apart if noncombustible, nonabsorbent ...
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