21. The wire and of insulated wire are placed in a hole near the edge of the tool. 22. Gray then hooked up a Teflon-insulated wire . 23. 14-3, 12-3, etc . refer to sheathed cable with an additional insulated wire , typically red in color. 24. British Insulated Cables had its origins in 1890 in the British Insulated Wire Company of Prescot, near Liverpool. 25. The outer jacket is labeled with letters that show how many insulated wires are concealed within the sheath. 26. In implanting a pacemaker, an insulated wire from the device is threaded through a vein into a heart chamber. 27. The "'Phillips Insulated Wire Company Complex "'is an historic industrial site at 413 Central Avenue in Pawtucket, Rhode Island. 28. Capacitance values of 1 pF or lower can be achieved by twisting two short lengths of insulated wire together. 29. Halloween is a popular holiday for celebratory lighting, with miniature light strings having black-insulated wires and semi-opaque orange bulbs. 30. A system later invented in the UK in 1908 employed vulcanised-rubber insulated wire enclosed in a strip metal sheath.
