What's the right fix for old crumbling fabric wire insulation

How safe would it be when working on splicing electric wires, if

How do I self-repair a section of crumbling basement wall, or

How do I self-repair a section of crumbling basement wall, or

LaMorte Blog

How To Repair Damaged Romex Wires

How to repair wire insulation that is fraying - Quora

Should I have the electrical wiring updated in my home of sixty

Repair damaged wires with coloured heat shrink tubing #6

electrical - Does old household wire insulation pose an asbestos

Old Electrical Wiring History of Types in buildings