Lighting energy retrofits have never been this simple.
ROOF TOPPER™ Rooftop Supports…
Now available with sled on base to protect roof
Arlington’s 5-5/8” high Roof Topper supports – for sturdy, efficient, reliable support of rooftop conduit, cable tray and more – now come with a SLED on the base that slides on the roof surface, protecting it from expansion and contraction damage.
Mersen Launches Global Line of Premium Compact Low-Voltage Disconnect Switches
Mersen’s comprehensive new line of low-voltage disconnect switches is globally available, with a full line of accessories to accommodate virtually any application. The broadest range in the industry. Encompasses UL508, UL98, and IEC standard products for AC and DC applications.
Siemens 2014 Catalog
Industrial Control
Schneider Electric / Square D
Square D Lighting Panelboards
WAC Lighting Co.
Track & Monorail System
Underneath the Data Center Floor
Peter Walsh, PE
A data center has bundles of wires underneath its floor leading to
computer racks. This wiring is susceptible to small voltage spikes and
induced voltages. The National Electrical Code requires safety
grounding, but it stops where the TIA Standard takes over. As a result,
mesh grounding is typically installed in addition to safety grounds.