电路：由金属导线和电气、电子部件组成的导电回路，称为电路。在电路输入端加上电源使输入端产生电势差，电路即可工作。电路中含有电源，用电器，开关，导线等四个部分。电路的作用是进行电能与其它形式的能量之间的相互转换。因此，用一些物理量来表示电路的状态及各部分之间能量转换的相互关系。
有些直观上可以看到一些现象，如电压表或电流表偏转、灯泡发光等；有些可能需要测量仪器知道是否在正常工作。按照流过的电流性质，一般分为两种。直流电通过的电路称为“直流电路”，交流电通过的电路称为“交流电路”。在住房装修中，电路安装是必不可少的，那么才第一次装修住房的业主们知道家用电路怎么安装呢？今天我就来告诉大家电路安装的方法。
什么是电路
dianliuliuguodehuilujiaozuodianlu，youchengdaodianhuilu。zuijiandandedianlu，shiyoudianyuan，yongdianqi（fuzai），daoxian，kaiguandengyuanqijianzucheng。dianludaotongshijiaozuotonglu，duankaishijiaokailu。zhiyoutonglu，dianluzhongcaiyoudianliutongguo。dianlumouyichuduankaijiaozuoduanluhuozhekailu。ruguodianluzhongdianyuanzhengfujijianmeiyoufuzaiershizhijiejietongjiaozuoduanlu，zheizhongqingkuangshijuebuyunxude。lingyouyizhongduanlushizhimougeyuanjiandeliangduanzhijiejietong，cishidianliucongzhijiejietongchuliujingerbuhuijingguogaiyuanjian，zheizhongqingkuangjiaozuogaiyuanjianduanlu。kailu（huoduanlu）shiyunxude，erdiyizhongduanlujuebuyunxu，yinweidianyuandeduanluhuidaozhidianyuanshaohuai，yongdianqiduanluhuidaozhiyongdianqi、dianbiaodengwufazhengchanggongzuoxianxiangdefasheng。
电路组成
dianluyoudianyuan、kaiguan、lianjiedaoxianheyongdianqisidabufenzucheng。shijiyingyongdedianludoubijiaofuza，yinci，weilebianyufenxidianludeshizhi，tongchangyongfuhaobiaoshizuchengdianlushijiyuanjianjiqilianjiexian，jihuachengsuoweidianlutu。qizhongdaoxianhefuzhushebeihechengweizhongjianhuanjie。
dianyuanshitigongdiannengdeshebei。dianyuandegongnengshibafeidiannengzhuanbianchengdianneng。liru，dianchishibahuaxuenengzhuanbianchengdianneng；fadianjishibajixienengzhuanbianchengdianneng。youyufeidiannengdezhongleihenduo，zhuanbianchengdiannengdefangshiyehenduo。dianyuanfenweidianyayuanyudianliuyuanliangzhong，zhiyunxutongdengdaxiaodedianyayuanbinglian，tongyangyezhiyunxutongdengdaxiaodedianliuyuanchuanlian，dianyayuanbunengduanlu，dianliuyuanbunengduanlu。
zaidianluzhongshiyongdiannengdegezhongshebeitongchengweifuzai。fuzaidegongnengshibadiannengzhuanbianweiqitaxingshineng。liru，dianlubadiannengzhuanbianweireneng；diandongjibadiannengzhuanbianweijixieneng，dengdeng。tongchangshiyongdezhaomingqiju、jiayongdianqi、jichuangdengdoukechengweifuzai。
lianjiedaoxianyonglaibadianyuan、fuzaiheqitafuzhushebeilianjiechengyigebihehuilu，qizhechuanshudiannengdezuoyong。
辅助设备
fuzhushebeishiyonglaishixianduidianludekongzhi、fenpei、baohujiceliangdengzuoyongde。fuzhushebeibaokuogezhongkaiguan、rongduanqi、dianliubiao、dianyabiaojiceliangyibiaodeng。
电路安装方法
一、定位
shouxianyaogenjuniduidiandeyongtujinxingdianludingwei，biru，neiliyaokaiguan、neiliyaochazuo、neiliyaodengdengyaoqiu，diangonghuigenjunideyaoqiujinxingdingwei。
1 、dianweiquedingdeyiju：genjujiatingbuxianshejifangan，jieheqiangshangdedianweishiyitu，yongqianbi、shuipingchihuomodoujianggedianweichudeanheweizhibiaozhuchulai。
2 、anhegaodudequeding：chuteshuyaoqiuwai，anhedegaoduyuyuanqiangdianchazuoyizhi，beijingyinlediaoyinkaiguandegaoduyingyuyuanqiangdiankaiguandegaoduyizhi。
二、开槽
1 、quedingkaicaoluxian：genjuyixiayuanze：
① 路线最短原则；
② bupohuaiyuanyouqiangdianyuanze；
③ bupohuaifangshuiyuanze。
2 、quedingkaicaokuandu：genjuxinhaoxiandeduoshaoqueding pvc guandeduoshao，jinerquedingcaodekuandu。
3 、quedingkaicaoshendu：ruoxuanyong 16mm de pvc guan，zekaicaoshenduwei 20mm ；ruoxuanyong 20mm de pvc guan，zekaicaoshenduwei 25mm 。
4 、xiancaowaiguanyaoqiu：hengpingshuzhi，daxiaojunyun，qiangmianhengkaicaobudechaochu30㎡。
5 、xiancaodeceliang：anhe、caodulijisuan，suoyouxiancaoankaicaoqidiandaoxiancaozhongdianceliang，xiancaokuanduruguofanglianggenyishangdeguan，yinganliangbeiyishanglaijisuanzhangdu。
三、布线
1 、quedingxianlantongchang：
① wangxian、dianhuaxiandeceshi：fenbieyongwangluoceshiyiceshitongduan；
② youxiandianshixian、yinshipinxian、yinxiangxiandeceshi：fenbieyongwanyongbiaoceshitongduan；
③ qitaxianlan：yongxiangyingzhuanyeyibiaoceshitongduan。
2 、quedinggedianweiyongxianzhangdu：
① celiangchupeixianxiangcaodaogedianweiduandezhangdu；
② jiashanggedianweijipeixianxiangcaochuderongyuxianzhangdu：gedianweichukouchuxiandezhangduwei 200mm － 300mm 。
3 、quedingbiaoqian：jianggeleixianlananyidingzhangdujianduanhouzaixiandeliangduanfenbietieshangbiaoqian，bingzhuming：ruodianzhonglei－fangjian－xuhao。4 、quedingguanneixianshu：guanneixiandehengjiemianjibudechaoguoguandehengjiemianjide80% 。
四、弯管
lengwanguanyaoyongwanguangongju，huduyinggaishixianguanzhijingde10bei，zheiyangchuanxianhuochaixian，cainengshunli。
五、封槽
1 、gudinganhe：chuchufang、weishengjiananheyaotuchuqiangmian 20mm wai，qitaanheyuqiangmianyaoqiuqiping。jigeanhezaiyiqishiyaoqiuzaitongyishuipingxianshang。
2 、guding pvc guan：
① dimian pvc guanyaoqiumeijiange yimi bixuguding，yuanyouyuliuguandaoquneibudeshiyongdingzihuoxiezi。
② cao pvc guanyaoqiumeijiange liangmi bixuguding，yuanyouyuliuguandaoquneibudeshiyongdingzihuoxiezi。
③ qiangcao pvc guanyaoqiumeijiange yimi bixuguding。
3 、fengcao：fengcaohoudeqiangmian、dimianbudegaoyusuozaipingmian。
4 、qingsaoshigongxianchang：fengcaojieshuhou，qingyunlaji，dasaoshigongxianchang。
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