消防应急照明灯具外部接线的三种方法
1、非持续式：
特点：平时不亮，停电后自动转换为应急照明。
![](https://wkrtcs.bdimg.com/rtcs/image?w=287&md5sum=7a8d5a91f933933bc8298eb7b503bbf1&sign=7fa1e24599&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=15&ipr={"t":"img","w":"287","h":"112","dataType":"png","c":"word/media/image1.png","imgOriW":287,"imgOriH":112})
2、持续式：
特点：平时亮，停电后自动转换为应急照明。
![](https://wkrtcs.bdimg.com/rtcs/image?w=283&md5sum=7a8d5a91f933933bc8298eb7b503bbf1&sign=7fa1e24599&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=15&ipr={"t":"img","w":"283","h":"115","dataType":"png","c":"word/media/image2.png","imgOriW":283,"imgOriH":115})
3、可控式：
特点：可对应急灯具平时的开或关进行控制，停电后应急灯立即点亮。K为控制开关，该接法为应急灯最常见的接法。备注：黄、绿色线接地。
![](https://wkrtcs.bdimg.com/rtcs/image?w=346&md5sum=7a8d5a91f933933bc8298eb7b503bbf1&sign=7fa1e24599&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=15&ipr={"t":"img","w":"346","h":"114","dataType":"png","c":"word/media/image3.png","imgOriW":346,"imgOriH":114})
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