There can be a variety of electrical wiring in buildings. The two wires on the far right have asbestos insulation (10-30% chrysotile).
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Materials in older lamp socket collars, electric switch and receptacle boxes, liners for recessed lighting, backing for switchboard panels, fuse boxes, and old-fashioned "knob & tube" wiring have all, at times, been found to contain asbestos. Normal use of these items should not pose a hazard. Dispose of these items, when they are replaced, in an approved manne
