Mains Electricity and Plug Safety | GCSE Physics
Safe handling of domestic electricity depends on the structure of the 3-pin plug and fuse.
Which wire in a plug is brown?
What is Mains Electricity and Plug Safety | GCSE Physics?
"The protective measures and components used to prevent electric shocks and fires in domestic settings."
What is the unit of electrical resistance?
Misconception: When a circuit is closed, the 'spent' current returns to the battery.
Calculate the charge flow if a 3A current flows for 10 seconds.
Current is the rate of flow of ____.
Safe Wiring
Live Wire (Brown): Carries 230V alternating PD from the supply.
Neutral Wire (Blue): Completes the circuit (0V).
Earth Wire (Green/Yellow): Safety wire; carries current to ground if there is a fault.
Fuses melt if current is too high, breaking the circuit.
Mnemonic: Blue is for the "B-L-U-E-ve" (Neutral - left), Brown is for the "B-R-O-W-N-ight" (Live - right).
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