Diagram 3 Wire Dryer Power Cord - A residual-current device (RCD), or residual-current circuit breaker (RCCB), is a device that instantly breaks an electric circuit to prevent serious harm from an ongoing electric shock.Injury may still occur in some cases, for example if a human falls after receiving a shock. In the United States and Canada, the device is called a ground fault circuit interrupter (GFCI), ground fault. Cheap Solar 5 Volt Charger/ Power Supply: In this instructable I used 5 CHEAP solar lights. As I recall I bought them for $2 each at Wal*Mart over a year ago. It would be hard to find the solar cells for that price let alone the whole light assembly etc.. Be the first to hear about special offers, events, popular new items and helpful home improvement tips..
If the task involves replacing an old outlet, that outlet must be removed first. Turn the power off before doing any work! A loud radio plugged into the outlet in question may.