Receptacle boxes are placed 12 feet apart. Holes are drilled in the wall studs 1 foot above the boxes to permit Romex wire to be run between them. Each receptacle box is 3 inches deep, and 6 inches of wire extends beyond the edge of a box. How many receptacle boxes can be wired with one box of Romex wire? (Note: A box of Romex wire contains 250 feet.)
Fill in the blank(s) with the appropriate word(s).
17
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If the synchronous motor operates at subsynchronous speed, the squirrel cage winding may ____ and be damaged.
a. subcool b. restart c. overheat d. reset
____ windows and doors offer the warmth and sustainability of wood with a more durable exterior finish.
A. Vinyl B. Clad C. Fiberglass D. Metal
Use Data Sheet 5. Refer to the figure. If Vertical = 60", Start = 30" what is the e-e measurement of K if the pipe is 1-1/2" copper?
Fill in the blank(s) with the appropriate word(s).
Waviness width, roughness width, flaw, roughness height, and roughness width cutoff are all characteristics of ____.
A. casting surfaces B. surface finish characteristics C. machined surfaces D. both a and c E. none of the above