| When the fencer is correctly earthed, all insulators and connections are correct and there is no vegetation growth on the wire. |
| This painting portrays in great detail a skeleton-like electrical power transmission tower with dozens of identical ceramic insulators. |
| Snow pack and other natural insulators can keep the frogs sufficiently warm during their winter hibernation. |
| Liam had climbed 30 ft up the pylon and came into contact with high voltage insulators. |
| We used these concepts to define conductors, insulators, and semiconductors, and showed one means of altering the conductivity of semiconductors. |
| They lie in a grey area between conductors and insulators whose boundaries are somewhat unclear, and it is this ambiguity itself that is useful. |