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Residential Receptacle

No bushings on the knockouts. Can we debate if the ground hole in the receptacle should be up, down or sideways?
 
Basic knob and tube with modifications. Is there a cover with cut out for duplex? There could be concern about the neutrals and hots not being through same ko of a metal box.
 
Some years ago I read an NFPA report on causes of electrical fires, and it correlated much closer to the building maintenance and socio economic status of the occupants then to any wiring method. Romex, BX, or EMT in poor condition is and will remain a much greater hazard than knob and tube in good condition. I've lived in two houses for a cumulative 40 years, both with knob and tube, no problems.

Like saying a slate or metal roof is better than composition shingles, but I'll take well maintained shingles over poorly maintained slate or metal anyway.
 
The main problem with knob & tube is that the rubber insulation usually cracks with age. Once in a while you find one with the insulation in good shape. The white wire to the right of the outlet concerns me.

Are they going to have a giant cover plate with a cutout for the receptacle? The connections in the large box need to be accessible.
 
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