Knob and Tube Wiring, also called Open Wiring, has been generally Used in the 1900’s to the late 1940’s.
In the event that the Knob & Tube Wiring system remains unchanged, proceeds to be carefully maintained, and all repairs have been made by a licensed electrician, that this wiring system may continue to be more safe to use today. Unfortunately this is virtually never correct. Considering that the wiring ages and illuminates, ceramic knobs and tubes may divide up, old cables wither and fray, and the sheathing works fragile and falls off, exposing the dwell cables.
Apart from worsening as a Result of age, that the huge majority of pushmatic breakers problems with Knob & Tube Wiring are because of tampering and adjustments have been made to the first method by handymen.
Add to this scenario the harmful practice of Modifications designed to modern mill wires in order to make them compatible with all of the outdated and obsolete 2 prong receptacles, broad usage of extension cords and power bars, household insulation installed inside the cables, and you have got the capability for an important problem.
A combination of Knob and Tube Wiring and modern wiring will be often found in elderly homes today. Whether this task was completed by means of an unauthorized no-professional person the potential for catastrophe is definitely present. Oftentimes the “updating” is not visible in the attic or basement, instead it is hidden under the walls because it was probably done through an earlier renovation together with your home.
So, to answer this question of whether Knob and Tube Wiring will be protected, the remedy is: it may be. But this method has long outlived its period and has to be substituted with current procedures.