THIS is the horrific moment a girl is electrocuted in a massive shower of sparks and catapulted backwards in front of her ...
The Family Handyman on MSN16 天
Understanding Electrical Wire Color Codes
Ready to cross that electrical project off your to-do list? Understand wiring color codes so you can finish the job safely.
Without the earth wire, if a fault occurs and the live wire becomes loose, there is a danger that it will touch the metal case. The next person who uses the appliance could get electrocuted.