(click thumbnail)You know about plenum cables; in many installs, they are now required. But do you know what “plenum” means? Do you know what is done to a cable ...

NEC cabling installation requirements are straightforward, but markings and new offerings may create confusion. You're not alone if markings and listings are making your plenum cabling selection a ...

Though suspended ceilings (above, right) remain the most popular ceiling system option, facility managers report that 17% of their total building square footage still features an open plenum ...

Cable that is suitable for running in air ducts and spaces between the floor and ceiling. It uses a fire retardant coating that must comply with local building codes. See plenum. THIS DEFINITION IS ...

Power limited fire alarm circuits are critical to the safety and well being of building occupants who find themselves in a burning building. During such an event it's critical that fire safety ...

Richmond, Ind. — Belden developed shielded, twisted-pair (STP) plenum-rated cables, a series of low-capacitance, 2- and 3-pair cables featuring a smaller outside diameter and low-smoke insulation and ...