Maricopa Community Colleges  ABC201   19936-19956 
Official Course Description: MCCCD Approval: 11/28/95
ABC201 19936-19956 LEC 0.50 Credit(s) 0.50 Period(s)
Hazardous Locations
Classifications, terminology and National Electric Code (NEC) for hazardous locations and flammable materials. Calculations for wiring for single family dwellings and NEC tables for calculating single and multi-family dwellings. Prerequisites: (Indentured status with Associated Builders and Contractors Inc., and ABC107), or permission of apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABC201   19936-19956 Hazardous Locations
1. State the different Classes, Divisions and Groups used to classify hazardous locations. (I)
2. Describe when a seal fitting should be used for hazardous locations and describe the different types of equipment used for different hazardous locations. (II)
3. Define specific terms used to identify flammable materials. (III)
4. List the articles and explain the importance of knowing the NEC articles pertaining to hazardous locations. (IV)
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MCCCD Official Course Outline:
 
ABC201   19936-19956 Hazardous Locations
    I. Hazardous locations
        A. Classes
          1. Description
          2. Examples
        B. Divisions
          1. Description
          2. Examples
        C. Groups
          1. Combustible/flammable gases
          2. Hazardous dust
          3. Explosive material
          4. Electrical current conductors
      II. Seal fittings and equipment
          A. Explosion-proof seals
            1. Boundary locations
            2. Seal fittings
          B. Equipment requirements
            1. Class 1
            2. Lighting fixtures
            3. Class II - general
            4. Class III - locations
        III. Flammable material terminology
            A. Terms
            B. Definitions
          IV. NEC: Hazardous location
              A. Articles 500-503: wiring for hazardous locations
              B. Articles 500-516: locations, equipment and ratings
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