An unpolarized adapter for connecting a 3-prong cord to a 2-prong outlet. Plastic housing, brass fittings, plastic-insulated grounding lead to connect to plate screw on electrical outlet. Molded on ...

A polarized adapter for connecting a 3-prong cord to a 2-prong outlet. Plastic housing, brass fittings, plastic-insulated grounding lead to connect to plate screw on electrical outlet. Molded on top: ...

Kids love building electric circuits, but connecting light bulbs to batteries with fiddly wires is tricky for young hands. Play dough and light-emitting diodes (LEDs) solve the problem beautifully.

Knowledge is power, quite literally, when it comes to electrical wires. But there’s no denying that these colourful vessels can feel pretty scary when you don’t have a clue. ‘If you plan to carry out ...