Non-metallic conduits and fittings for electrical installations. Specification for rigid conduits, fittings and components of insulating material— 16 стр.
Requirements for components not of tubular form, e.g. circular fittings and covers, and reducers, also for rigid conduits other than those specified in Part 1.
ICS
29.120.10 Conduits for electrical purposes / Кабелепроводы
