Distribution box installation should pay attention to quality problems? ã€Answer】 (1) Distribution box (plate) elevation or vertical beyond the allowable deviation: is due to inaccurate measurement or positioning caused by uneven ground, should be promptly amended. (2) The iron frame is not square: Before installing the iron frame is not straightened to find out, or the installation position fixed point offset caused by the use of wire to re-correct and then fixed. (3) Disk with a power meter is not strong, flat or uneven pitch, the pressure is not strong, head injury wire core, multi-strand wire head pressure terminal has not been installed. Brake below the card box is not installed, the screws should not be tightened, the spacing should be adjusted evenly, leveling. Part of the wound wire should be cut off the reconnection, multi-strand wire terminals should be installed, the card box should be re-installed. (4) Grounding conductor cross-section is not enough or to protect the ground cross-section is not enough to protect the ground line in series, these do not meet the requirements should be corrected in accordance with the relevant provisions. Distribution box, the tray PE terminal for general public construction projects, residential projects should not be used. (5) after-hours wiring arrangement irregular: branch should be tied into bundles, and fixed in the plate. (6) distribution box (plate) missing parts, such as hinges, locks, screws, etc.: should be equipped with all the necessary components for installation. (7) iron box electric, gas welding open long hole: should be a tube of a hole, not electric, gas welding openings, tube box should be flush. (8) box around the building to stabilize the gap is too large: the application of cement mortar boxes, pipe real construction: solid. (9) No corrosion outside the wooden box, rough wall: should be handled as required. (10) iron box wall spot corrosion: rust paint should be replenished.
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