http://j95139jw.bget.ru/story.php?title=wiring-knob-and-tube-3 The circuitry may possess a couple of problems under specific instances. The insulation made use of in somewhat fragile and can not withstand heats like contemporary wires. If the knob and tube wiring has actually been used inappropriately it can trigger the protection to crack leaving behind the cord exposed. Tue, 12 Dec 2017 11:01:07 UTC en