An array of five different color-coded sizes of twist-on wire connectors, also commonly known by by the genericised trademark "Wire Nut".
<a href="//commons.wikimedia.org/wiki/User:Junkyardsparkle" title="User:Junkyardsparkle">Junkyardsparkle</a>
2014-01-17 18:27:56
<span class="int-own-work" lang="en">Own work</span>