13 A Plugs, Socket-outlets and Adaptors: Specification for by British Standards Institution

By British Standards Institution

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Extra info for 13 A Plugs, Socket-outlets and Adaptors: Specification for 13 A Switched and Unswitched Socket-outlets BS 1363

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Ten blows are applied to points evenly distributed over the socket-outlet. Any lens incorporated in a socket-outlet receives one blow of the hammer at a point approximately at its centre. One of the 10 blows of the hammer is applied to the actuating member, if any. After the test the socket-outlet shall still be in accordance with Clause 8, Clause 9 and Clause 15. 1. Damage to the finish, small dents which do not reduce creepage distances and clearances below the values specified in Clause 8 and small chips that do not adversely affect the protection against electric shock or moisture shall be ignored.

BS 1363-3:1995, 13 A plugs, socket-outlets, adaptors and connection units — Part 3: Specification for adaptors. BS 1363-4:1995, 13 A plugs, socket-outlets, adaptors and connection units — Part 4: Specification for 13 A fused connection units: switched and unswitched. BS 4662:1970, Specification for boxes for the enclosure of electrical accessories. BS 5901:1980, Method of test for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions. BS 6004:2000, Electric cables — PVC insulated, non-armoured cables for voltages up to and including 450/750 V, for electric power, lighting and internal wiring.

4 mm and the diameter such as to allow a small reduction in the cross-sectional area to adjust the watts loss to the required value. 4 mm less twice the end cap end wall thickness t [see Figure 28b)]. The resistive element shoulders shall be firmly butted to the inside faces of the end caps and soldered using a tin silver solder, grade 96S as specified in BS 219:1977. 2. Metal shall then be carefully filed from the resistive element over as long a length as is possible and the assembly rechecked until the desired watts loss is achieved.

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