Based on the 2020 National Electrical Code. Article 220 of the 2020 National Electrical Code (NEC) contains the requirements for calculating demand loads for branch circuits, feeders, and services.

Traditional western blot workflows require an appropriate sample load to detect both target proteins and loading control proteins. The discrepancy between these quantities often leads to oversaturated ...

Note: This article is based on the 2002 NEC. Even if you work with stamped drawings, you'll eventually need to do commercial load calculations in the field or on a licensing exam. The National ...

For steel-structured ships and offshore oil and gas production units, corrosion is a constant threat and maintenance an ongoing challenge. The most common “crop and renew” repair technique uses “hot ...

ATLANTA and ARLINGTON, Va. - A new standard for determining load calculations will be developed by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) in cooperation ...

Designing a temporary heating system differs considerably from permanent installations. In early construction stages, you might face a tight roof with walls of sheet plastic, or nearly complete walls ...

According to ASHRAE, the growing use of plug loads in buildings as well as insufficient data on how much energy they generate present a challenge to engineers in determining how to best cool a ...

ATLANTA – A new standard for determining load calculations will be developed by ASHRAE in cooperation with ACCA, the Air Conditioning Contractors of America, according to a joint statement from the ...