TY - BOOK AU - Mullin,Ray C. TI - Electrical wiring commercial: based on the 2020 national electrical code SN - 9780357360620 AV - TK3284 .M85 2020 PY - 2021/// CY - Boston, MA PB - Cengage Learning KW - Electric wiring, Interior KW - Commercial buildings KW - Electric equipment KW - United States ER -