Electrical Rough-in Most Frequent Violations-(Residential)
Current adopted edition of National Electrical Code-2005
- Address and Permit not posted----USBC 110.5
- More than one neutral conductor per terminal in panel—408.41
- White conductors not re-identified where used as ungrounded---200.7
- Light switch at each floor level of interior stairways of six risers or more.—210.70 (a) 2 (c)
- Outlet boxes overfilled.---314.16 (a)
- 4/0 Alum. Service Entrance cable entering rear and side knockouts of 200 amp meter bases with insufficient bending space.---312.6 (a)
- Concrete encased electrodes (rebar) if present, must be used as grounding electrode. 250.50 & 250.52(3)
- Metal boxes not grounded.—250.148 (c)
- NM cables thru bored holes drilled less than 1 ¼” from edge of studs/framing members.—300.4 (a)
- NM cables installed parallel to framing members stapled less than 1 ¼” from edge of studs.--- 300.4 (d)
- Staples with more than two NM cables under each staple in violation of manufs.’s instructions.--- 110.3
- Bundling of cables without de-rating.—310.15 (b) (2) and 334.80
- NM cables smaller than 8 AWG secured to bottom of joists in unfinished basements.—334.15 (c)
- NM cables installed less than 7 feet from attic access and not protected guard strips.—334.23
- NM cable not supported/secured at 4 ½ intervals and within 8” of single device boxes without clamps or 12” with clamps.—334.30 and 314.17 (c)
- Flat NM cable stapled on edge. (must lay flat under staple)—334.30
- NM cable insulation not ¼” minimum inside outlet boxes.—314.17 (c)
- Stairway Illumination at each landing or each stair section.—IRC R303.6
- Ceiling fans, hanging fixtures located within 3’ horizontal zone of rims of tubs and showers.---410.4 (d)
- Smoke detectors not located inside each sleeping area as well as immediately outside the sleeping areas and on each level of the dwelling unit---IRC 313.1
- Recessed light housings not approved for insulated ceilings. Must be IC rated where installed in contact with insulated ceilings.—410.66
- Tub motor not bonded to metal piping associated with tub equipment.—680.74
- Receptacle outlets not spaced properly.—210.52
- Equipment grounds inside outlet boxes not joined together with approved connectors ie: crimps, wire nuts. 250.148
- Tub motor access not framed large enough to service/replace motor,--680.73
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