<dd id="43k4s"></dd><button id="43k4s"><object id="43k4s"></object></button><tbody id="43k4s"><track id="43k4s"><video id="43k4s"></video></track></tbody>
<button id="43k4s"></button>
    <dd id="43k4s"></dd>

      What are the installation methods of distribution boxes?

      2019-03-19 10:36:35

      Distribution box should avoid direct sunshine, splashing, moisture and excessive operation space ahead. Should be on time to clean the cabinet device, check the terminal, check the switches, contactors are outstanding, whether there is overheating phenomenon inside, should be on time to check the sealing function of distribution cabinet, to avoid small animals into or condensation inside. For areas with high humidity, damp driers and dryers should also be equipped. It is necessary to check whether the orientation of the device is firm and not to sway obliquely.

      1. Device requirements

      1) The appearance inspection of cabinet (dish) body shall be without damage and distortion, and the paint shall be intact and non-destructive. Inspection inside cabinet (disc): Electrical equipment and components, insulating porcelain pieces are complete, no damage, cracks and other shortcomings.

      2) Before the installation, check whether the number of distribution box is in accordance with the orientation of the device, and check the box number and the circuit number in the box according to the plan drawing. Soft copper braided wire and special terminal shall be used for grounding of box door. The cabinet wiring should be regular and meet the planning requirements and acceptance criteria (GB50303-2002).

      2. Working Conditions

      The civil construction of the distribution box installation site should have the basic conditions of finished internal painting and installed doors and windows. Pre-buried pipelines and buried parts should be cleaned up; the place has transport conditions, to keep the road smooth and dredged.

      3. Distribution box positioning: According to the planning requirements, the location of distribution box and the status of field practical devices are determined on the spot, and the bullet line positioning is carried out according to the shape and size of the box.


      5尾拖龙有多少组二中二 巴东县| 夏河县| 郓城县| 南川市| 六盘水市| 芦山县| 厦门市| 宁城县| 鄂尔多斯市| 长白| 隆子县| 大余县| 皋兰县| 大石桥市| 元谋县| 额济纳旗| 当雄县| 洛宁县| 湘潭县| 孝义市| 马山县| 南江县| 晋中市| 临颍县| 宾阳县| 铜陵市| 石景山区| 德安县| 盐城市| 西青区| 姜堰市| 璧山县| 游戏| 平阴县| 涞水县| 灵宝市| 信宜市| 新疆| 景宁| 徐汇区| 沈阳市| http://www.ks690.cn http://m.sinab77.pw http://cp.o9xwyy.top http://china.sina8tt.pw http://m.5tw7ek.top http://www.ba7mo3.cn