Requesting an electrical service for a project is a process that can be completed by anyone involved with the project, including architects, engineers, tenants, or property owners. There are several ways to apply to start an electrical service, including an online form on the energy company’s website, a phone call to an energy company representative, […]
“Dirty power” is an abnormality in the power quality that is being delivered to a system. These abnormalities can include low power factor, voltage variations, frequency variations, and surges. All electrical systems are based on a supply of power at a certain voltage and frequency. Equipment and electronic devices are chosen based on this expected […]
Kitchen hood designs vary depending on the application in which the hood is being used. There are two types of kitchen hoods. TYPES The first type of kitchen hoods is designed to be installed above cooking appliances that produce laden vapors, such as grease or smoke. Type 2 kitchen hoods must be installed above cooking or […]
Firestopping products are required by local building codes, national model codes, and the National Electrical Code (NFPA 70) to be installed in all penetrations of fire rated construction or in smoke barriers. Fire rated construction consists of walls, floors, shafts and listed floor/ceiling assemblies and are located throughout a structure as required by Code and […]
The construction drawings are done, the specifications are complete, and bidding has commenced. A few days before bids are due, however, the contractor suggests replacing copper conductors with aluminum conductors – a suggestion that may be a value-engineering line item, or a qualification item within the bid. But what are the technical aspects of making […]