HOW TO BEND EMT CONDUIT INTO CIRCLES AMP ARCHES

How to bend an expansion joint in a cable tray

How to bend an expansion joint in a cable tray

You can buy a manufactured 90 degree bend or make one on a cable tray bending machine but in this video I show you how to make one using a metal bar. 1993 NEC Section 300-7 (b) states that "Raceways shall be provided with expansion joints where necessary to compensate for the thermal expansion or contraction. In this guide, the expansion gaps are explained to be calculated, as well as how to select materials such as aluminum or steel. We aim to ensure your project remains secure and does not breach the NEMA standards, causing it to suffer.

Read More
How large a conduit should a 24-core ADSS fiber optic cable be run through

How large a conduit should a 24-core ADSS fiber optic cable be run through

While 40% is a good rule of thumb for pathways to meet present and future cable installation requirements, most telecom professionals aim for a maximum fill ratio of 70 to 80% for fiber innerduct. ADSS (All-Dielectric Self-Supporting), or ADSS - All-Dielectric Self-Supporting fiber optic cables, are employed to create light woven structure for transmission and distribution networks overhead because of many benefits such as ease of installation, lightweight structure, propriety installation. It sounds simple, but picking the wrong ADSS fiber optic cable 1 core count can cost you tens of thousands of dollars in rework, stranded capacity, or premature upgrades. This specification covers the construction all dialectic self-supporting Optical Fiber Cable (ADSS) properties for outdoor application. Premise innerduct is a flexible, non-metallic, corrugated raceway that has long been an essential conduit system for protecting fiber optic cables installed throughout telecommunications spaces and pathways. It can help isolate fiber to prevent damage from other cables or trades working in those.

Read More
How to cut a 90° bend in a cable tray

How to cut a 90° bend in a cable tray

Creating a 90-degree elbow in an electrical cable tray, often called a "fabricated" or "mitered" bend, involves cutting, bending, and fastening a straight section of tray. The most common method involves creating two 45-degree cuts to form a 90-degree angle. Construction of a flat 90° bend (A) The amount of tray lip to be removed is equal to 2, 3/4 the width of the tray, half of this measurement will be removed on either side of the centre line. Great if you are new or just forgot how to do it, this easy to follow guide makes it so simple. By applying the following formula you can quickly find the size of cut out section that you need to cut out of the side of.

Read More
How to pull fiber optic cables when they bend

How to pull fiber optic cables when they bend

The Fiber Optic Association notes that a common recommendation is a minimum bend radius of 20 times the cable diameter while the cable is under tension during pulling. When bend radius is a concern, installations typically turn to Cleerline's SSF and BendSafe fiber. When pulling fiber optic cables through conduit, navigating corners is the most dangerous part of the journey. Installers must understand these specifications and know how to install cables without.

Read More
How to connect fiber optic cable to lamp conduit

How to connect fiber optic cable to lamp conduit

Secure cables in trays or conduit and fasten with hook-and-loop ties to prevent compression. The most immediate benefit is physical protection, shielding the cable from environmental factors like moisture, pests, and accidental. Last month we showed you how Locate Technicians mark your yard for underground lines before we install our conduit. This month, we tagged along with our conduit crew as they placed conduit to connect a residential home to UTOPIA Fiber. Lubricants are added to the outdoor cable design to reduce friction on high-pulling tension.

Read More

Get In Touch

Connect With Us

📱

South Africa (Sales & Engineering HQ)

+27 10 247 8396

📍

Headquarters & Manufacturing

Unit 7, Summit Place, 21 Summit Rd, Midrand, Johannesburg, 1685, South Africa