Posted by admin | Posted in Lumber | Posted on 05-03-2010
Tags: carpentry, hardwood, kiln dried lumber, kiln dried lumber for sale, kiln dried lumber prices, kiln dried lumber suppliers, Lumber, weight of kiln dried lumber, wood, woodworking
Alternatives to the knob and tube removal
I am a master electrician and electrical contractor in South Jersey. Here I will describe, detailed, effective ways to address the knob and tube wiring in older homes without completely removing it. Ultimately elimination is complete, in fact, my recommended action whenever the knob and tube is present, but its often in low income areas where full replacement is not financially possible. In these situations, and only these, there is an alternative method to manage and monitor the associated risks.
Regarding risk management, the first question that should be addressed is the additions to the original wiring which may have been made. All additions to the knob and tube wiring that have not been made with creative ways (as in over knob and tube) should be deleted. Second All possible steps should be taken to ensure that all exposed son are not subject to physical damage or exposed to materials flammable, including spider webs, insulation and dry wood. Following a grounding system must be installed at the entrance service which includes 2 electrodes and bonding water hose if necessary. equipment grounding conductors must be run from any how the grounding electrode conductor is switched, the receptacle and the device in the house. If in the ground equipment can not be drawn to the light because of the cost of the device should be replaced by a device intended to be used without a ground equipment. This Ancient often means removing fixtures draw with exposed metal parts. Finally, and above Arc fault circuit breakers must be installed on each circuit.
Risk control would not require less monthly visual inspections and mechanical tester with a Megger, and compare the results recorded. I would not use this method unless it was coupled with a course of action has provided detailed term replacement of all knob and tube.
Using this method, you would essentially be pulling a wire to each device, it would be much less of-pocket initial expense and allow a homeowner to budget accordingly. Replacing knob and tube is not a DIY project and should be performed only by qualified electricians.
issues likely that you may experience may include connections on the fly when the button and tube wiring is openly connected to a piece of NM (romex wire type) that must be removed and ran to the panel. Bronx son (also called BX) may be even more dangerous then the knob and tube. Often you will find the metal used as an external ground equipment and food circuits with parts of the earth is a very bad practice. The fact is that while the outer metal casing of BX can play bass impedance with a continuity tester typical load and fault conditions, the outer envelope may become red hot because it is not effective to carry fault currents to earth.
About the Author
Lloyd Mills New Jersey Electrician and Electrical contractor
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