What are the two basic types of timers?
What will be an ideal response?
The two basic types of timers are on delay and off delay.
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These diagrams are drawn as a series of lines and symbols that represent the electrical current path and the components of the circuit, but they may not show the individual wires or connections of an electrical circuit. These diagrams, however, show the electrical relationship of components.
a. pictorial diagram b. schematic diagram c. one-line diagram d. wiring diagram
The bathtub zone refers to an area in which ____.
A. all luminaires or cord connected appliance receptacles must be grounded to plumbing B. recessed lights are not permitted C. exhaust fans are not permitted D. no parts of cord-connected luminaires, and ceiling-suspended (paddle) fans are permitted
Article 515 covers a property or portion of a property where ____ are received by tank vessel, pipelines, tank car, or tank vehicle and are stored or blended in bulk for the purpose of distribution.
A. chemicals B. natural gases C. flammable liquids D. flammable vapors
The vent hose goint to the evaporative control system is often labeled ________
A) Vent B) Fumes C) EVAP D) Air