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顶棚在建筑中指天花板或吊顶,然而顶棚内选用何种材质的配线管。《低压配电设计规范》GB50054—95(简称《配规》)与《民用建筑电气设计规范》JGJ/T16—92(简称《民规》)规定却有不同。《配规》第5.2.7条“在建筑物顶棚内,必须采用金属管、金属线槽布线”;而《民规》第9.4.1条“建筑物顶棚内,宜采用金属管布线”。第9.7.1条则为“具有槽盖的封闭式金属线槽,可在建筑物顶棚内敷
Ceiling in the building refers to the ceiling or ceiling, but what kind of material used in the ceiling wiring. ”Low voltage distribution design specifications“ GB50054-95 (referred to as ”with regulations“) and ”civil electrical design code“ JGJ / T16-92 (referred to as ”the rules“) regulations are different. ”With regulations“ Article 5.2.7 ”In the roof of the building, the metal pipe must be used, metal trunking wiring“; and ”Civil Regulation“ 9.4.1 ”building roof, metal pipe should be used wiring“. Article 9.7.1 is ”closed metal trunking with groove cover, which can be deposited in the ceiling of a building