Within building automation hardware systems, there is a hierarchical system of micro processor based controllers. Which type of controller is used to provide limited port capacity for connection of sensors, support, and execution of DDC programs, and usually operates in stand alone mode?
What is the expected life cycle, in years, of building automation system within a building structure with a life cycle of 40+ years?
Which of the following protocols is referred to under ISO 16484-5?
What type of facility requires a building automation system (BAS) device to be located every 5 sq m (50 sq ft)?
Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation system (BAS) devices are required?
Surge currents due to lightning and other sources MUST be ________ before they penetrate the infrastructure.
As a guide, the MAXIMUM recommended DC current value on any bonded conductor should be less than:
Based on documentation contained within the Insulated Cable Engineers Association (ICEA) standard P32-382, Short Circuit Characteristics of Insulated Cable, a copper conductor is capable of safely carrying one ampere for ________ second(s) for every 42.25 circular mils.
The MINIMUM dimensions of the telecommunications main grounding busbar is ________ and variable in length.
An isolated ground receptacle may be identified by:
