For the purpose of using this standard, the following definitions apply: Note 1: Unless otherwise specified, the terms "voltage" and "current" used in the following text refer to the effective value: Note 2: In this standard, the term "grounding" is used as "protective grounding". Note 3: The term "plug-in device" refers to a collective term for plugs and sockets: the term "movable plug-in device" includes plugs and mobile sockets. Note 4:; In the full text of the standard, the term "socket" includes fixed socket and mobile socket, specifically referring to fixed socket, excluding mobile socket. Note 5: The application of the plug-in device is shown in Figure 1. 3.1 The plug is designed as a plug-in device with a pin that establishes a connection with the contact of the socket. The plug also includes the function of electrical connection and mechanical fixation of the flexible cable. 3.2 The socket is designed to establish a connection with the plug pin and has a wire crimping device with a plug-in contact. 3.3 Fixed socket refers to a socket intended to be connected to fixed wiring. 3.4 Mobile sockets are defined as sockets that are connected to or composed of components connected to flexible cords. After being connected to the power grid, mobile sockets can easily move from one position to another. 3.5 Multiple Sockets Combination of Two or More Sockets 3.6 Electrical Sockets Embedded in or Fixed to Electrical Appliances 3.7 Detachable Plugs or Removable Mobile Sockets Designed as Interchangeable Flexible Cord Insertion Devices 3.8 Non detachable Plugs or Non detachable Mobile Sockets Designed as Insertion Devices: The manufacturer's wiring and assembly form a structural unit with the flexible cord (see 14.1) 3.9 Moulded insertion device is a non detachable insertion device made by molding the insulation material of prefabricated components and flexible wire joints. 3.10 Installation box refers to a socket box that is buried inside or on the surface of a wall, floor, or desktop, suitable for surface or concealed installation. The socket box includes one or more fixed sockets according to regulations
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China