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

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

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5 mm [see Figure 21b)]. 9 N and 2 N has to be applied to the face of the hammer to maintain the pendulum in a horizontal position. The socket-outlet is mounted on a sheet of plywood approximately 8 mm thick and 175 mm square, secured at its top and bottom edges to a mounting support. 24 Copyright British Standards Institution Provided by IHS under license with BSI No reproduction or networking permitted without license from IHS © BSI 9 October 2003 Not for Resale BS 1363-2:1995 --`,,`-`-`,,`,,`,`,,`--- The mounting support [see Figure 21c)], having a mass of 10 kg ± 1 kg, is mounted on a rigid bracket by means of pivots.

During the test they shall not undergo any change impairing their further use and the sealing compound shall not flow to such an extent that live parts are exposed. NOTE A slight displacement of the sealing compound should be disregarded. 3, and it shall not be possible to touch live parts with test probe 11 of BS EN 61032:1998 applied with a force of 30 –20 N. g. thermoplastics, rubber, are subjected to a pressure test by means of an apparatus similar to that shown in Figure 23, the test being made in a heating cabinet at a temperature of 70 °C ± 5 °C.

Small clearances can be bridged completely by solid particles, dust and water and therefore minimum clearances are specified where pollution may be present in the micro-environment. NOTE Pollution will become conductive in the presence of humidity. Pollution caused by contaminated water, soot, metal or carbon dust is inherently conductive. Degrees of pollution in the micro-environment For the purpose of evaluating creepage distances and clearances, the following three degrees of pollution in the micro-environment are established.

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