When installing a surface-mounted fixture weighing more than 50 pounds, it _____.
a. must always be supported independently of the outlet box
b. can be supported by the outlet box if the box is designed and marked to support more than 50 pounds
c. can be supported by a standard outlet box without additional support
d. may be secured to a standard outlet box if securely attached
b. can be supported by the outlet box if the box is designed and marked to support more than 50 pounds
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All cotton was produced on plantations using slave labor
Indicate whether the statement is true or false
The hexadecimal equivalent of decimal 88 is ________
A) 5116 B) 5516 C) 5816 D) 6816
A special squirrel cage winding, called ____________________, is used to start a synchronous motor.
Fill in the blank(s) with the appropriate word(s).
Crystallization in a lithium bromide system can be caused by
A. a rise in temperature and too little water being removed. B. a rise in temperature of a warm concentrated solution. C. a power failure to the system. D. too little water being removed from the system.