To avoid cutting extra holes in the roof, power is normally provided to curb-mounted rooftop units:
A) Wirelessly using Wireless Power Connectors (WPC).
B) Directly from the power company's utility pole.
C) Through the same conduit as the low-voltage control wiring.
D) From underneath through the curb.
Question 2
Water and air leakage between the rooftop unit and the rooftop curb are prevented by:
A) UL-rated duct tape applied from the inside of the curb.
B) UL-rated duct tape applied over the outside of the curb.
C) UL-rated duct tape applied to both the inside and outside of the curb.
D) Gasket material between the curb and the unit.
Mitochondria known as power house of the cell
Some IAC units are purchased with the housing as shown. Carbon buildup in these passages can cause ...
The Risk of Nuclear Power
The benefits of wind power
Per capita consumption of power is high in the developed world and highest in the United States