Physics 2 - Electricity in the Home

Electricity in the Home

Hazards in the home

• Long cables
• Frayed cables
• Cables in contact with something hot or cold
• Water near sockets
• Shoving things into the socket
• Damaged plugs
• Too many plugs into one socket
• lighting sockets without bulbs in
• Appliances without their covers on.

Cables within plugs

• Most electrical appliances are connected to the mains suppy by three-core cables. This means that they have three wires inside them, each with a core of copper and a coloured plastic coating.
• The brown LIVE WIRE in a mains supply alternates between a HIGH +VE AND -VE VOLTAGE.
• The blue NEUTRAL WIRE is always at 0V. Electricty normally flows…