Blog

Are LED Driver output circuits Class 1 or Class 2 systems? Lighting systems operating at 30‐volts or less shall be listed as a complete system per National Electric Code (NEC) section 411. Read more »

Why are Rail standards important? The rail industry has very high standards on products used to power their infrastructure from under the carriages to in-car lighting and entertainment. Read more »

The 2019 edition of the National Fire Alarm® and Signaling Code NFPA 72 was recently approved. The approved code contains revisions to sections relating to use of metallic cable wiring methods. NFPA 72 Section 12. Read more »

Decades ago, when Type MC Cable first became approved for use by the National Electric Code (NEC), some states and municipalities were hesitant to accept the new wiring method preferring to maintain using traditional methods. Read more »

Let’s focus for a bit on how prefabrication can speed up electrical installations. Contractors working on large scale, repetitive jobs such as hotels, condos, dorms, etc. often look for ways to speed up the electrical wiring installation. Read more »

Armored and metal-clad cables from AFC Cable Systems® are intended for dry location use and should be replaced when exposed to extensive moisture and contamination resulting from flood waters. Electrical cable can be extremely dangerous when exposed to water. Read more »

There are a few ways to cut and install Type MC Cable, but you should be aware that some are quicker and more efficient. Depending on the style of cable and insulation, different factors need to be taken into account to prevent damaging the conductors within. Read more »

Painting of AC/MC and Liquidtight cable is rooted in a history of necessity. For many years, electricians painted cables that power fire alarm systems red to differentiate them for easy identification. In the 1980’s, Fire Alarm® Cable manufacturers began to pre-paint the cable red to save time on the job-site. Read more »

Summer is finally starting to heat up here in the northeast. Now seems like a good time to review products that are designed for extreme temperature applications. Read more »

Questions are often raised about when armored or metal-clad cable can be used in wet versus dry locations What are wet, dry and damp location? The definition of a dry location according to the National Electric Code (NEC) is: A location not normally subject to dampness or wetness. Read more »

Over the years, electrical contractors are finding it more difficult to install wire in ceilings. Spaces are becoming tighter, with more industries attempting to occupy the same ceiling space while configurations are already tight. Read more »

Flexible conduit for electrical wiring installation continues to gain market acceptance. We attribute this to the ease of installation compared to traditional methods because they require less physical labor to install. Many of these installations are standard commercial and industrial applications. Read more »

We often get asked what types of cables can be used in healthcare settings. It’s important to use the right cable in patient care areas because the National Electrical Code (NEC) has strict requirements to ensure the safety of patients. Read more »

Over the past few years an aging electrical contractor population and an overall labor shortage has uncovered the need to reduce labor and speed up cable installation, ultimately reducing the total installed cost. The industry has been innovating around tools, cable types and accessories to meet this growing need. Read more »

What is Daylight Harvesting? Daylight harvesting reduces energy consumption by using daylight in place of, or to augment, artificial lighting to illuminate a space. Lighting control systems are used to dim or switch electric lighting in response to changing daylight availability. Read more »

What’s the Difference Between AC and MC Cables? The current construction of Armored Cables (Type AC) that is approved by UL 4, has an aluminum bonding wire in contact with the metal armor that provides a low-impedance ground path that is required for the proper operation of overcurrent protection devices. Read more »