000 00434nam a2200157Ia 4500
082 _a621.3026
_bSUN
100 _aSummers, Wilford I
_974930
245 _aNFPA handbook of the national electrical code
_b: based on the current 1975 code
250 _a4th.
260 _aNew York:
_bMcGraw-Hill,
_c1975.
300 _a797p.
500 _aHB
546 _aEng
650 _aElectric engineering-Laws and regulations
_974931
942 _cBK
999 _c3164
_d3164