This technical requirement is formulated according to the current situation of the production and use of electric power fittings in China.
The power fittings applicable to this technical requirement shall meet the following requirements:
GB 2314-1997 "General technical conditions for power fittings", GB/T 2317.1-2000 "Mechanical test methods for power fittings", GB/T 2317.3-2000 "Test methods for power fittings thermal cycling" and GB/T 2317.4-2000 "Power fittings" "Acceptance Rules, Signs and Packaging".
This revised content:
1) Delete "7 Certification Rules" and "8 Explanations".
This technical requirement is proposed and managed by the successful bidder certification center (CSC).
This technical requirement was drafted by the following companies: Li Tienan, Wang Ruohong, Chen Zhitian, Li Rui, You Huaixian, and Zou Guolin. The main drafters of this technical requirement were the successful bidder certification center, Zhejiang Huadian Circuit Equipment Research Institute, and the Power Quality Test Center.
The Zipper Earphone is a zippered earphone, belonging to electronic products, including zipper earphone wire, earplugs and plugs, mainly solving the problem that ordinary earphone wires are easily entangled with each other. The earphone cable has a zipper. When the earphone is idle, the earphone cable can be zippered and used to avoid messy and easy to organize the earphone cable. The length of the earphone cable can be adjusted freely during use, and the earphone cable can be restored after being separated. It is very convenient to use in the merged state.
According to the way of changing the earplugs of the Zipper Earphones, there are mainly moving coils and moving irons, and electrostatic and equal magnetic earplugs are relatively few. In terms of wearing form, it is mainly used on the in-ear type and ear-hook type, and the headband type is relatively small. From the earphone wire material, it includes Metal Zipper Earphones, injection zipper earphones, nylon zipper earphones and so on.
Zipper Earphones
Zipper Earphone,Zipper Headphones,Zip Type Earphones,Pink Zip Earphones
Shenzhen Linx Technology Co., Ltd. , https://www.linxheadphone.com