Automation and Controls Channel
Codes & Standards Channel
Electrical Channel
High-energy series of transient voltage suppressors
Littelfuse AK15 Series of Transient Voltage Suppressor (TVS) devices are rated for up to 15 kA surge current to protect against high-energy transients. » more
Fire and Life Safety Channel
Green Buildings & Energy Efficiency
Still Showing Weakness, Architecture Billings Index Increases Slightly
Following a two-month soft patch, the Architecture Billings Index (ABI) rose almost two full points in July. As a leading economic indicator of construction activity, the ABI reflects the approximate... » more
Renewable Energy Market Takes Another Financial Hit
The $26 billion bill President Barack Obama signed Tuesday may spell relief for teachers’ unions and other public-sector employees, but it’s the latest blow for renewable energy backers. To help... » more
HVAC Channel
Lighting Channel
Plumbing Channel
Power Channel
Codes & Standards Channel
Electrical Channel
High-energy series of transient voltage suppressorsLittelfuse AK15 Series of Transient Voltage Suppressor (TVS) devices are rated for up to 15 kA surge current to protect against high-energy transients. » more
701 of 953
Fire and Life Safety Channel
Green Buildings & Energy Efficiency
Still Showing Weakness, Architecture Billings Index Increases SlightlyFollowing a two-month soft patch, the Architecture Billings Index (ABI) rose almost two full points in July. As a leading economic indicator of construction activity, the ABI reflects the approximate... » more
Renewable Energy Market Takes Another Financial HitThe $26 billion bill President Barack Obama signed Tuesday may spell relief for teachers’ unions and other public-sector employees, but it’s the latest blow for renewable energy backers. To help... » more
701 of 884
HVAC Channel
Publication updates
AMCA Publication 502-06 (R2009), Damper Application Manual for Heating, Ventilating, and Air Conditioning, was reaffirmed by the AMCA membership on Sept. 11, 2009. Publication 502-06 (R2009) provides... » more
AMCA Publication 502-06 (R2009), Damper Application Manual for Heating, Ventilating, and Air Conditioning, was reaffirmed by the AMCA membership on Sept. 11, 2009. Publication 502-06 (R2009) provides... » more
A microcosm of mentoring
Don’t you love it when a plan comes together, especially when the plan is realized in hindsight? In this issue, David Peters, PE, publishes his last technical article before retiring with 54 years... » more
Don’t you love it when a plan comes together, especially when the plan is realized in hindsight? In this issue, David Peters, PE, publishes his last technical article before retiring with 54 years... » more
701 of 719
Lighting Channel
Plumbing Channel
Power Channel
Rules for tapping molded case circuit breakers
An in-depth focus on tap rules for NEC and UL feeder circuits, the need for branch and feeder circuit taps, short circuit interrupting ratings, and creating branch or feeder circuit taps from circuit... » more
An in-depth focus on tap rules for NEC and UL feeder circuits, the need for branch and feeder circuit taps, short circuit interrupting ratings, and creating branch or feeder circuit taps from circuit... » more
Dual VFDs versus bypasses: engineers weigh in
Dual VFDs, bypasses, and spare VFDs: a look at costs, benefits, and design considerations. » more
Dual VFDs, bypasses, and spare VFDs: a look at costs, benefits, and design considerations. » more
701 of 813