| | | | | | It isn’t traditionally stressed enough in maintenance, but in the contractor world, avoiding recalls and rework is crucial. The deployment cost for a contractor is normally much higher than the deployment cost for an in-house maintenance person, but the deployment cost for an in-house maintenance person is still significant. |
|
|
|
| |
|
|
|
| | Sponsored | | SLPX stainless steel sloped-top enclosures are available in 3 sizes and are designed for multiple 30A and 60A switches. Units are modular and can also accommodate control devices. Choose from pre-configured combinations or contact us for a customized solution. |
|
|
|
| |
|
|
|
| | | | A particular production line is generating more than its fair share of trouble calls. How would you help resolve the speed variations of this production line? |
|
|
|
| |
|
|
|
| | | | When the NEC talks about “wireway,” it is referring to a specific type of raceway. Do you know what the NEC means when it comes to this term? |
|
|
|
| |
|
|
|
| | | | In this EC&M Tech Talk, Randy Barnett reviews the NEC rules for air conditioning and refrigeration equipment found in Art. 440. Fortunately, in the typical installation, the rules become simple to follow. Details are found in the article, but the nameplate on the equipment that houses the hermetic refrigeration compressor answers the basic questions... |
|
|
|
| |
|
|
|
| | | Fill in the blank. _____ shall not be located over the steps of a stairway. |
|
|
|
| |
| | | Many of the routine electrical system tests and inspections performed may expose workers to electrical hazards. One of these hazards is arc flash. This quiz will look at some arc-flash reduction techniques. |
|
|
|
| |
|
|
|
| | | In this episode of EC&M Code Conversations, Editor-in-Chief Ellen Parson and Code Consultant Russ LeBlanc talk about Sec. 314.23 of the NEC and the requirements surrounding box supports. |
|
|
|
| |
| | | A new study, conducted by the AI productivity platform Plus Docs, recently revealed top states in which residents feel the most burned out. See which state's residents are the most overwhelmed, as measured by burnout-related internet keyword searches. |
|
|
|
| |
|
|
|
| | | Test your NEC holiday lighting knowledge with this quiz and enter for a chance to win a $25 gift card to Amazon! |
|
|
|
| |
| | | The editors of EC&M are back to present the three most popular The Everyday Electrician™ videos from last month! In case you missed them, these social media videos were Trevor Ottmann's most popular in September 2024, and they include a couple from his time at NECA in San Diego! |
|
|
|
| |
|
|
|
| | | Fire alarm circuits and equipment must comply with Sec. 760.3(A) through (O). Article 300 does not apply, except where specifically referenced within Sec. 760.3. In this article, Mike Holt looks at most of these requirements. |
|
|
|
| |
| | | In this EC&M Tech Talk, Randy Barnett, NFPA Certified Electrical Safety Compliance Professional discusses the rules found in NEC Art. 250 grounding and bonding, Part X grounding of systems and circuits of over 1,000 volts. In the field such systems are often referred to as medium voltage. |
|
|
|
| |
|
|
|
| | |
|
| | |
|