According to the NEC®, the working space in front of a service entrance panel in a residential wiring application must be at least 6.5 feet high, 30 inches wide, and extend at least __________ feet in front of the panel.
a. 1
b. 3
c. 2
d. 4
b. 3
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Which stones are commonly used for exterior cladding and what are their thicknesses?
What will be an ideal response?
An alternator diode is being tested using a DMM (digital multimeter) set to the diode check position. A good diode will read ________ if the leads are connected one way across the diode and ________ if the leads are reversed
A) 0.551 ohms; OL B) OL; OL C) 0.475 ohms ; 0.475 ohms D) 300 ohms; 300 ohms
A self contained recovery device:
A) Can only be used on systems that are sold by independent distributors. B) Relies on the system the refrigerant is being recovered from for its operation. C) Is used with systems that are not connected to the power grid. D) Does not rely on the system the refrigerant is being recovered from for its operation.
A spot face is used to provide a sloped bearing surface for a washer face or bolt head.
Answer the following statement true (T) or false (F)