Charles R. Miller

Code Contributor

Charles R. Miller, owner of Lighthouse Educational Services, teaches classes and seminars on the electrical industry. He is the author of “Illustrated Guide to the National Electrical Code” and NFPA’s “Electrical Reference.” He can be reached at 615.333.3336, charles@charlesRmiller.com or www.charlsRmiller.com

Articles by Charles R. Miller

February 2003
210.52(H) Hallways Article 210 covers branch circuits except for those supplying only motor loads. Motor-load requirements are covered in Article 430. Receptacle-placement provisions are stipulated in 210.52(A) through (H). READ MORE
January 2003
* For reference figures, please refer to ELECTRICAL CONTRACTOR magazine. 210.52(D) Bathrooms Requirements pertaining to receptacle placement inside and outside dwellings are covered in 210.52(A) through (H). While some of these requirements are general and apply to most parts of the dwelling, others are more specific and are applicable only in certain rooms or areas. READ MORE
August 2002
Please see Electrical Contractor magazine for referenced Figures. -------------------------------------------------------------- 210.52(A)(3) Kitchen Receptacle Requirements Requirements pertaining to the placement of receptacles inside and outside of dwelling units are covered in 210.52(A) through (H). This section provides requirements for 125-volt, 15- and 20-ampere receptacle outlets. READ MORE
June 2002
210.52(A)(2) Wall Space Receptacle placement provisions for dwelling units are stipulated in 210.52(A) through (H). Last month’s In Focus concluded with fixed and sliding panels in exterior walls. READ MORE
May 2002
*Please see Electrical Contractor magazine for figure references.* 210.52(A) General Provisions Provisions stipulating the placement of receptacle outlets for dwelling units are covered in 210.52(A) through (H). Last month’s “In Focus” covered both paragraphs and the fine print note in 210.52. This month, the discussion continues with the general requirements for receptacle placement. READ MORE
April 2002
Please refer to Electrical Contractor magazine for illsutrations. Required Outlets Provisions stipulating the placement of receptacle outlets are covered in 210.52 through 210.63. READ MORE
March 2002
• Please refer to ELECTRICAL CONTRACTOR magazine for referenced illustrations. 210.8(A) Dwelling Units Receptacles installed in certain locations must have ground-fault circuit-interrupter (GFCI) protection for personnel. Dwelling locations are specified in 210.8(A) and all other occupancies are stipulated in 210.8(B). READ MORE
Selecting the correct size conductor involves referencing more than one section and more than one chapter in the National Electrical Code (NEC). The following questions must be answered before selecting conductors. What is the lowest temperature rating of any connected termination, conductor or device? What is the connected load, or what is the calculated load in accordance with Article 220? READ MORE

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