A digital image is made up from a great number of pixels, each pixel having a specific numeric tonal value. Image contrast is determined by the number of tonal values available and image resolution is determined by the number of pixels available.
The Electrical Lineman Apprenticeship program is a selective admission program restricted to individuals who are employed in the electrical industry and are working for a participating employer.
While there is no standard path into the field, an electrical inspector needs to have a thorough knowledge of electricity, electronics and codes, an electrician background, or a 2-year or 4-year college degree, often incorporating courses in electrical wiring, carpentry and architectural drawing.