Friday crossword

1. a substance or material that allows electricity to flow through it
3. a circuit conductor that normally completes the circuit back to the source
5. electrical potential difference
6. the flow of electrons
9. a secure route for electrical currents in case of a short circuit
11. an appropriate part of every workers uniform
12. an arrangement in which someone learns an art, trade, or job under another

2. carry electrical current between the two switches in a multi-way switch
4. has two receptacles to use for power
6. a central terminal in a relay or switch connection
7. It's the part of the switch or relay that moves to make or break an electrical connection
8. an organized group of construction workers, tradespeople and/or laborers who collectively enter into bargaining agreements with employers or employing entities
10. a flexible metallic conductor
13. refers to the number of separate circuits a switch can control
14. framing components in timber or steel-framed walls, that run between the top and bottom plates