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Current Electricity: Domestic Circuits 2

Description

This flash card deck covers objects found in domestic circuits, such as plugs, fuses, residual current devices and miniature circuit breakers. It is best used in conjunction with the corresponding note on domestic circuits and the mind map on current electricity.

Flashcards by tatemae.honne, updated more than 1 year ago More Less

	Created by alex.examtime9373 over 10 years ago

	Copied by tatemae.honne over 10 years ago

Resource summary

Question	Answer
Number of wires in a typical plug	3
Colour of live wire	Brown
Colour of neutral wire	Blue
Colour of earth wire	Green and yellow
Two-pin plugs	For appliances that do not need to be earthed
Fuse	A piece of wire that will melt when a current above a certain size passes through it
Size of fuses used in typical household plugs	13A
Circuit symbol for a fuse	Image: imgres (image/jpg)
Miniature circuit breakers	Used instead of fuses in the distribution box; contain a bimetallic strip and an electromagnet
Residual current devices	Operate by detecting difference between current in the live wire and current in the neutral wire

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