欧美精品videosex极品,国产在线拍偷自揄拍无码,中文人妻无码一区二区三区在线,中国年轻丰满女人毛茸茸

Basic introduction of junction box module

Release time:2023-01-10 Number of views:

The junction box module is the terminal connection of the cable, the user line and branch trunk line of the wire and cable, and plays an important role. The junction box can be installed in the space bridge, box, pipe and cable trench. It is small in size, does not occupy the effective use space of the building, and is easy to install without cutting off the main cable. The junction box is generally divided into two types according to its purpose. One type is used for connecting the power distribution box to the power supply, and the industrial distribution box is usually referred to as the reference type; The other type is used for communication signal junction box of communication line, which is usually used for network connection. We said that in life, telephone box, cable box, etc.

Junction box module is a connector industry. The junction box module is used for power access or data conversion through shunt, and can output multiple current data or signal equipment. Then, the junction box is usually called M8, while the M12 junction box refers to the line of M8 or M12 socket. It is different from the common socket, which is the power output socket. The common socket has only positive and negative, or has wire, cable box and industrial use. The power output is a pin-shaped I/O port.

Physical properties of junction box module:

(1) The connecting device of indoor distribution box and various plastic bodies are made of flame retardant materials.

(2) The opening angle of the cover shall not be less than 100 degrees to ensure that the continuous operation is not affected.

(3) The installation foot suspension box shall have sufficient impact strength.

(4) When the cover is closed, the sealing performance shall comply with the provisions of GB2408 IP43.

(5) The welding position of terminal hanging tin shall be uniform, and the length shall not be less than 5mm.

Previous:period

Next:Common sense of harness processing

Online Service
TOP
copyright ? Jiangsu Kaice Electric Co., Ltd All Rights Reserved,ICP:蘇ICP備2022048870號
性无码专区无码| 内射人妻无码色AV麻豆去百度搜| 久久久久99精品成人片| 色综合色天天久久婷婷基地| 婷婷丁香五月六月综合激情啪| 精品亚洲麻豆1区2区3区| 无码人妻少妇伦在线电影| 亚洲和欧洲一码二码区别在哪儿| 久久久久精品久久九九| 国产精品福利在线观看无码卡一| 少妇极品熟妇人妻无码| 白丝乳交内射一二三区| 国产精品麻豆成人AV电影艾秋| 亚洲JIZZJIZZ在线播放| 亚洲精品97久久中文字幕无码| 永久黄网站色视频免费无下载| 亚洲精品无码久久久久秋霞| 国产MD视频一区二区三区| 国产精品美女久久久久久麻豆| 国产白嫩护士在线播放| 亚洲开心婷婷中文字幕| 久久天天躁夜夜躁狠狠I女人| 日日摸夜夜摸狠狠摸婷婷| 欧美人与动牲交a免费观看| 欧美一区二区三区成人片在线| 成人免费视频一区二区| 少妇邻居内射在线| 国产卡一卡二卡三卡四100| 成人网站免费看黄a站视频| 三上悠亚日韩精品二区| 国产无套抽出白浆来| 看成年全黄大色黄大片| 国产成人精品久久一区二区三区| A男人的天堂久久A毛片| 欧美老少配性行为| 国产乱妇乱子视频在播放| 18禁网站在线永久免费观看| 精品国产丝袜自在线拍国语| 国产成人无码无卡在线观看| 中国女人熟毛茸茸A毛片| 精品国产性色无码av网站|