In a string inverter system, the inverter should be as close to the array as possible to reduce ____.
a. DC cycles due to temperature
b. DC losses due to voltage drop
c. DC fluctuations due to temperature
d. DC imbalances due to voltage drop
b. DC losses due to voltage drop
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Which of the following is an NEC® requirement for grounding and bonding cable tray installations?
a. Only single conductor cable may be used in cable trays used as equipment grounding conductors. b. Nonmetallic cable trays must be bonded with flexible bonding jumpers. c. Steel or aluminum trays may be used as equipment grounding conductors. d. Metal cable tray does not require bonding.
What are two ways salt builds up in the soil and causes problems with plant growth?
What will be an ideal response?
A GFCI circuit breaker is easily recognizable by the “push-to-test” button and the __________.
a. yellow body b. length of white wire attached to it c. larger operating handle d. smaller body size
Traditional plank flooring is an acceptable method of flooring
Indicate whether the statement is true or false