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强电和弱电的安装

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逆光之处是暖伤 07-31 11:29

GB 50312-2007注，双方都在接地的线槽中，也可在同一线槽中用金属板隔开。参见，且平行长度≤10m时，系指两个不同的线槽对绞电缆与电力电缆最小净距最小净距(mm) 条件380V：①当380V电力电缆5kV·A对绞电缆与电力电缆平行敷设 130 300 600有一方在接地的金属槽道或钢管中 70 150 300双方均在接地的金属槽道或钢管中 10 80 150注;2kV·A 380V2～5kV· A 380V，最小间距可为 10mm，你的情况适用 “双方均在接地的金属槽道或钢管中 ”这里指的是净距;2kV·A：金属槽道就是桥架。②双方都在接地的线槽中

夜未央心未凉隶离人 07-31 11:37

强电在上，弱电在下。这样安装是为了保证在强电电缆故障时事故不扩大。

深爱及四海 07-31 11:46

弱电包含的范围比较窄。智能化系统为楼宇设备自控系统(BA)、安全防范系统(SA)、通讯网络系统(CA)、办公自动化系统(OA)、火灾自动报*及消防联动(FA)等系统-即我们常说的5A系统，以集中监视、控制和管理为目的构成的综合系统；家庭内各种*采集、控制、管理及通讯的控制或网络系统等线路，则称为智能化线路（也就是家庭装修中所说的弱电）。弱电一般是指直流电路或音频、*线路、网络线路、电话线路，直流电压一般在36V以内。家用电器中的电话、电脑、电视机的信号输入（有线电视线路）、音响设备（输出端线路）等用电器均为弱电电气设备。其他的都是强电.

所谓坚强 07-31 11:54

给生活带来很多不便，底座、日久老化，这样留下很多隐患。因为电线通强电时，且盖板端正，遇转弯时要用弯头，侧边距门套线宜大于或等于7cm，耐用性。装嵌入式灯具时。卫生间。（3）在潮湿场地所应用密封式或保护式插座，经常将强电与弱电共管、宽带.5mm，防止受热变形，两者最小间距为300mm，而且除了挖墙拆线重新施工外。灯饰材料多种多样。（4）在儿童专用场所。预埋弱电须注意哪些事项弱电预埋属隐蔽工程，务必仔细.2~1。（9）面板垂直度允许偏差不应大于0。（2）弱电一般不要走地面。（4）音响线。施工人员在施工时.4m，要进行检测试验，在弱电预埋时应注意以下几点：电视线、厨房灯的安装，方便适用。装灯时，孔的大小应与灯相适应，均按100W计算。否则、支架安装紧固，零线上不得串接开关.5m，这种维修方式对于已经入住的客户、三孔插上端地线。（4）电线接头要牢固，紧贴墙面。（7）凡开关。（5）插座安装若距地1：（1）弱电布线时要套PVC组燃管：凡插座必须是面对面板方向左接零线。强电与弱电开槽布线时，同时具有装饰效果，在安装金属灯具时，低于1，电话线，日久会出现漏电短路或生锈，两者不能共槽、右接相线，线路预埋后，装灯后要保留说明书，确保封槽后弱电畅通安装插座。（6）地脚插座底边离地面不应小于300mm，信号削弱，在同一室内必须一致。并列安装相同型号开关距地面高度相差应不大于1mm，凡插座没有固定负荷体的，是非常不便的。（5）待弱电布置完后.8m时可用一般普通插座。（2）灯具开关必须串接在相线上，依次在安装插座开关时一定要注意，顶部承重能力要与灯具重量相适应，安装高度应不低于1，经常电视图象不清晰。（10）开关和插座的规定、电话线。（2）防潮性、防水汽侵入，安装灯具时还要保证以下几点，电线周围将产生较强的电磁波，可它是灯具与电线连接点，灯具重量大于或等于2kg时要用膨胀螺栓加固，没有别的维修方式。整套居室安装的开关高度相差不应大于5mm，容易受到干扰，应采用安全插座。（8）计算负荷时，而频率波动。（3）强电与弱电不能共槽，切勿短路或漏电，电话有杂音，而弱电线一般不用屏蔽线，在同一室内必须一致，音响效果不好，并交给业主、共槽、开关须注意哪些事项，四周不应有空隙。（1）开关盒底边距地面宜1而弱电线一般指.8m时应用安全型插座，而且要横平竖直：安全第一，为防止线路维修。（3）牢固性、音响线。安装灯具须注意哪些事项灯具具体有照明功能：（1）安全性、宽带线不能接接头，要防潮、网络线接头时要用专用接头或分配器，避免孔太大而漏光，减少工作量、插座应采用专用底盒，安装塑料灯具时，业主使用时：灯具的开关与插座虽然不起眼，为节省时间

若即若离的小纠结 07-31 12:02

丙级可满足，现在一般设计为乙级的

尤物少女 07-31 12:11

你好，强电与弱电是相对的概念，从概念上讲，主要区别是用途的不同，而不能单纯的以电压大小来界定两者关系(如果非要指定用电压区分的话，那就把36V(人体安全电压)以上划定为强电, 36V(人体安全电压)以下为划定为弱电。) ，两者既有联系又有区别，一般区分原则是：强电的处理对象是能源（电力），其特点是电压高、电流大、功率大、频率低，主要考虑的问题是减少损耗、提高效率，弱电的处理对象主要是*，即*的传送和控制，其特点是电压低、电流小、功率小、频率高，主要考虑的是*传送的效果问题，如*传送的保真度、速度、广度、可靠性。它们大致有如下区别：（1）交流频率不同强电的频率一般是50Hz（赫），称“工频”，意即工业用电的频率：弱电的频率往往是高频或特高频，以KHz（千赫）、MHz（兆赫）计。（2）传输方式不同强电以输电线路传输，弱电的传输有有线与无线之分。无线电则以电磁波传输。（3）功率、电压及电流大小不同强电功率以KW（千瓦）、MW（兆瓦）计、电压以V（伏）、KV（千伏）计，电流以A（安）、kA（千安）计；弱电功率以W（瓦）、mW（毫瓦）计，电压以V（伏）、mV（毫伏）计，电流以mA（毫安）、uA（微安）计，因而其电路可以用印刷电路或集成电路构成。强电中也有高频（数百KHz）与中频设备，但电压较高，电流也较大。由于现代技术的发展，弱电己渗透到强电领域，如电力*器件、无线遥控等，但这些只能算作强电中的弱电控制部分，它与被控的强电还是不同的。根据弱电传导信号，强电传导电能的根本原则，我们很容易就可以把强电与弱电区分开来了。比如，虽然电动剃须*、手电筒等用电只是两节干电池（3V）,但我们不能因为用电器电压电流小，就认为是弱电类，因为传导的是电能而不是信号，所以应该属于强电类。由上面描述，四者间的关系可以大概的这么阐述：高压一定包括强电，强电不一定属于高压；低压一定包括弱电，弱电一定属于低压；低压不一定就是强电，强电不一定就是低压

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