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36.4 MB (1.4 MB compressed)
4368 x 2912 pixels
37.1 x 24.6 cm ⏐ 14.6 x 9.7 in (300dpi)
SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Two-way light switch. Wiring of a two-way light switch. This type of switch allows a light to be controlled from two different locations. The live wire is brown. The neutral wire is blue. The earth wire is green and yellow. Wires that can be live have a brown sleeve over them.
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