A question that comes up frequently for us when working on security projects with high density device counts is conduit fill. That National Electrical Code typically wants to limit conduit fill to less than 40% of the capacity for cables in the raceway. This is based upon the dimensions of the conductors and the potential …
Read more “NEC and Conduit Fills for Communications and Security Cabling”
[dropcap style=”square” color=”blue-grey”]W[/dropcap]e’ve all had it happen: either a bad battery or a blown fuse in a security power supply. It causes cameras to fail, a card access door to stop working, or a whole panel to fail. Power supplies in their simplest sense do a very basic thing: They turn 120 volts AC power …
Meeting with North Carolina state and local fire marshals, Protective Resources has been invited to participate in a discussion of how the State and local code officials are going to be educated/trained in the new requirements for fire alarm system communications to comply with the 2010 and 2013 Fire Alarm Code. These new requirements are …
Read more “PR Invited to Participate in State and Local Fire Marshal Policy Meeting”