(a)    Approved rigid metal conduit or surface metal raceways, or electrical metallic tubing shall be required to conduct current for light, heat or power in wiring of apartments for three families or more, in churches, manufacturing establishments and commercial buildings, but does not apply to private residences of one and two families.
   (b)    New outlets for all electrical stoves shall be equipped with an approved receptacle which must be located within three feet of the stove; receptacle must be sufficient in size. Units shall be connected to the receptacle provided by use of proper detachable plugs and cords.
   (c)    All wires used in underground conduits, or trapped conduits must be load covered, or be of approved cable for installation in wet location. Conduits which are laid in or under concrete floors or poured or laid on ground surface shall be considered underground whether sheltered or not.
   (d)    Flexible metallic conduit may be used for flexible connections to equipment only, other usage by special permission of the Electrical Inspector.
   (e)    Portable cords attached to music boxes, marble machines, floor lamps and other similar equipment shall not exceed eight feet in length from the equipment to the outlet supplying current, and the cord must not be nailed down, taped or held in place with strips, strings, or other supports, but must be left free and clear in commercial buildings.
   (f)    Holes are to be drilled in rafters and joists for runs of non-metallic or armored cable.
   (g)    All medicine cabinet lights, switches to garbage disposals, vent fans, if operated by pull chains, in kitchen or bath, switches controlling vent fans in kitchens or bath, switches controlling vent hoods over ranges, laundry outlets, water pump outlets and furnaces shall be grounded. (1978 Code Sec. 8-11)