Earlier this year, routine activities came to an abrupt halt at San Bernardino Valley (Calif.) College when a construction crew excavating with a backhoe struck a power cable, causing a small explosion that knocked out a campus transformer.
Think ‘tiers’ for a standards-compliant data center It seems as if a big chunk of future contracting work will come from designing, installing and supporting data centers. There are many reasons this is being headlined in the telecommunication trades: it’s a solution to many problems.
Article 210 Branch Circuits Article 250 Grounding Article 300 Wiring Methods Article 404 Switches Article 408 Switchboards and Panelboards Article 430 Motors, Motor Circuits and Controllers Article 527 Temporary Installations Also mentioned are the General Information for Electrical Equipment Direct
If you’re reading this, chances are you have enjoyed the sense of accomplishment that comes from driving an 8-foot long, mostly steel rod into the earth and connecting a ground wire to it. It’s tough work.
Many changes have occurred to the National Electrical Code (NEC) since the first NEC was published on Aug. 31, 1897. Even though the electrical industry was in its infancy, this “first” NEC was remarkably insightful and has withstood the test of time.
As you may know, the Telecommunications Industry Association (TIA) has agreed that Level III-qualified testers are to be used when certifying or verifying Category 6 cabling systems (Category 6 cable is a 100-Ohm cable with transmission characteristics specified up to 250 MHz).
The Telecommunications Industry Association (TIA) is an industry organization with paying members from the communications/telecom industry. They develop minimal performance standards for cabling and related hardware and installation standards for the users/designers.
“It’s not like building a school or a classroom. It’s a vision put on paper. And when you see the theme come to life, you get engrossed in it, feel the whole thing, live it—the design, the purpose and the outcome,” said Andy De La Parte, president, A & A Electric Services Inc.
If you missed it, the Telecommunications Industry Association (TIA) TR 42 committee meetings were held in early June. It’s time to pay attention, since many of their decisions can affect the contractor, as you’ll see below.