ELECTRICAL CONTRACTOR is a monthly print and online magazine that serves the field of electrical construction. Published by the National Electrical Contractors Association (NECA), it is headquartered in Bethesda, Md., and covers the electrical construction industry. It has been in publication since 1935. With 80,000+ subscribers, the magazine's audience includes electrical contractor firm owners, engineers, estimators, purchasing agents, project managers, supervisors, journeymen and apprentice electricians and others.
A subscription to ELECTRICAL CONTRACTOR can be acquired for free here. Subscribers must complete a qualification process that determines they own or work for an electrical or low-voltage contractor firm. Subscriptions also must be renewed annually. If you would like to subscribe or renew a subscription, please visit our subscription page. ELECTRICAL CONTRACTOR offers many advertising opportunities.
Please visit our media kit page where you can find details and contact information for our marketing representatives.
A subscription to ELECTRICAL CONTRACTOR can be acquired for free here. Subscribers must complete a qualification process that determines they own or work for an electrical or low-voltage contractor firm. Subscriptions also must be renewed annually. If you would like to subscribe or renew a subscription, please visit our subscription page. ELECTRICAL CONTRACTOR offers many advertising opportunities.
Please visit our media kit page where you can find details and contact information for our marketing representatives.
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One of the most significant fires of its time, it left around 300 dead and 100,000 people homeless.
The fire occurred.
A chief electrical inspector friend wanted to know about the construction of an oxygen-generating facility in the Raleigh/Durham, N.C.
In the construction industry, one of the important objectives, aside from completing the project within set timelines, is attaining code compliance and final approval(s).
In the electrical field, there are.
NEC Chapter 5 provides requirements for special occupancies and specific rules for electrical equipment installed and operated in hazardous (classified) locations, such as fuel dispensing facilities, chemical plants and bulk.
The fire occurred.
A chief electrical inspector friend wanted to know about the construction of an oxygen-generating facility in the Raleigh/Durham, N.C.
In the construction industry, one of the important objectives, aside from completing the project within set timelines, is attaining code compliance and final approval(s).
In the electrical field, there are.
NEC Chapter 5 provides requirements for special occupancies and specific rules for electrical equipment installed and operated in hazardous (classified) locations, such as fuel dispensing facilities, chemical plants and bulk.
Conductors and equipment covered by the NEC are acceptable only if the authority having jurisdiction (AHJ) approves them.
Certified (listed) electrical products and equipment often serve as the AHJ's basis for approval.
A product must be listed where the NEC includes a requirement that equipment be listed.
Are you familiar with other installation factors that the AHJ will verify in the approval process?
How well do you know the inspection and testing requirements for fire sprinklers connected to a fire alarm system?
Certified (listed) electrical products and equipment often serve as the AHJ's basis for approval.
A product must be listed where the NEC includes a requirement that equipment be listed.
Are you familiar with other installation factors that the AHJ will verify in the approval process?
How well do you know the inspection and testing requirements for fire sprinklers connected to a fire alarm system?
Barron Lighting Group's Mesa series single-phase, online, solid-state inverter system is designed to provide "soft-start" power to designated emergency lighting fixtures.
Upon failure of the normal utility power, it automatically transfers to inverter mode and provides a minimum of 90 minutes of emergency power to the connected load.
Bosch's Autodome IP starlight 5100i security camera features a rain-sensing wiper for improved images in rain and dirty urban conditions.
An integrated 30x optical zoom can identify people at distances of more than 280 m.
Upon failure of the normal utility power, it automatically transfers to inverter mode and provides a minimum of 90 minutes of emergency power to the connected load.
Bosch's Autodome IP starlight 5100i security camera features a rain-sensing wiper for improved images in rain and dirty urban conditions.
An integrated 30x optical zoom can identify people at distances of more than 280 m.
Thanks for the great Code resource.
We do a lot of work in hazardous locations.
My question is can a threadless (set-screw or compression) fitting be installed on intermediate metal conduit in a Class I, Division 1 location?
I don't believe this meets Code but some in our office say it does.
Thanks for participating.
In our opinion, your thinking is correct.
Threadless fittings are generally not listed and identified for Class I, Division 1 locations.
Section 501.10(A)(3) requires all boxes and fittings be approved for Class I, Division 1. Threadless fittings shall be permitted in Class I, Division 2 locations.
We do a lot of work in hazardous locations.
My question is can a threadless (set-screw or compression) fitting be installed on intermediate metal conduit in a Class I, Division 1 location?
I don't believe this meets Code but some in our office say it does.
Thanks for participating.
In our opinion, your thinking is correct.
Threadless fittings are generally not listed and identified for Class I, Division 1 locations.
Section 501.10(A)(3) requires all boxes and fittings be approved for Class I, Division 1. Threadless fittings shall be permitted in Class I, Division 2 locations.
Share ideas that have saved you time or money on the job with readers of ELECTRICAL CONTRACTOR.
Your fellow electrical professionals would like to hear about them.
Be sure to include a good photo of your idea if you can; hand-drawn sketches may be hard to interpret.
Note that some similar ideas are sometimes submitted by more than one person.
In these cases, the one that is more clearly written and includes a photo is given precedence.
DISCLAIMER: The ideas presented in this article are for consideration only.
Your fellow electrical professionals would like to hear about them.
Be sure to include a good photo of your idea if you can; hand-drawn sketches may be hard to interpret.
Note that some similar ideas are sometimes submitted by more than one person.
In these cases, the one that is more clearly written and includes a photo is given precedence.
DISCLAIMER: The ideas presented in this article are for consideration only.
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