| 1. | Rigid metal conduit - aluminium , bronze and stainless steel
硬金属导管.铝青铜和不锈钢 |
| 2. | Boxes and box covers for rigid metal conduits
钢性金属接线盒和盒盖 |
| 3. | Fittings for rigid metal conduits erratum 1
刚性金属导管的接头 |
| 4. | Electrical rigid metal conduit - steel
硬金属电导管.钢 |
| 5. | Electrical rigid metal conduit - aluminum , bronze and stainless steel
电器用刚性金属导管.铝青铜及不锈钢 |
| 6. | Fittings for rigid metal conduits
刚性金属导管配件 |
| 7. | Boxes for rigid metal conduits
硬金属导管用连接盒 |
| 8. | Rigid metal conduit - steel
硬质金属导管.钢 |
| 9. | A ballast intended to be supported only by rigid metal conduit , a fixture stud , or similar devices shall comply with the requirements in section 18 , pullout , bending , and twisting tests
整流器只能由刚性金属导管支撑，装配螺栓或相似的部件必须符合18条，通过拉力、弯曲和扭转测试。 |
