|(a) Electrical installations located within the vicinity of any compressor, cascade, or dispensing equipment shall be in accordance with the National Electrical Code (NEC) for Class 1, Group D: Hazardous Locations, Division 2 area. A Division 2 area is where combustible gases are present only under abnormal conditions. This requirement does not apply to residential installations, including manufactured housing. The classified area shall not extend beyond an unpierced wall, roof, or vapor tight partition. The vicinity of any compressor, cascade, or dispensing equipment is that area indicated by the following chart.
Attached Graphic (b) Electrical equipment installed on internal combustion engines for stationary installations shall comply with NEC for Class 1, Group D, Division 2 locations.
|Source Note: The provisions of this §13.102 adopted to be effective November 15, 1990, 15 TexReg 5941; amended to be effective October 15, 1993, 18 TexReg 6458; amended to be effective June 5, 2006, 31 TexReg 4604