Noninsulated busbars shall have a minimum space of ___ in. between the bottom of a switchboard enclosure and busbars or other obstructions. Article 408 covers switchboards and panelboards. The ...
A. Where PVC enters a box, fitting, or other enclosure, conductors 4 AWG and larger must be protected from abrasion, during and after installation, by a fitting that provides a smooth, rounded ...
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