Industry

Wire selection often overlooks conductor construction—solid or stranded—which affects installation, termination, fatigue life, and reliability. Solid wire uses a single core: rigid, easy to terminate, for fixed installation. Stranded wire uses multiple thin strands: flexible, vibration-resistant, for moving equipment and continuous flex. Neither is universally superior; wrong choice causes routing issues, breakage, or premature failure. […]

U.S. electricity demand is rising at its fastest four-year pace since 2000, driven largely by data centers. EIA forecasts 1.9% load growth in 2026 and 2.5% in 2027. LBNL estimates data centers could reach 11.8% of U.S. electricity use by 2030 (range: 9.5–15.3%). DOE projects an additional 100 GW of peak capacity by 2030, half […]

NM and NM-B cable look similar. Both are non-metallic sheathed cables used for dry indoor wiring. Many project teams treat them as interchangeable—until inspection reveals a problem. The difference is conductor insulation temperature: Type NM is rated 60°C, while Type NM-B is rated 90°C. This difference affects not only code compliance but also long-term reliability […]

JZD CABLE (Shenzhen JZD Wire & Cable Co., Ltd.) has confirmed its participation in the 12th Data Centre World Asia (DCWA) 2026, to be held September 29–30 at the Sands Expo and Convention Centre, Singapore. The company will showcase its data center power distribution and high-speed network cabling solutions at Booth M64. Asia-Pacific Data Center […]

On Australian job sites, electricians often wire split-system air conditioners by matching terminal colors—black to black, white to white, red to red. The problem: black is active, white is neutral, red is communication. Connecting by color rather than function is wrong. Energy Safe Victoria issued an alert on this. The wiring must comply with AS/NZS […]

When standard PVC cable contacts polystyrene (EPS or XPS) insulation, the plasticizers that keep the sheath flexible migrate out of the cable and are absorbed by the foam. The cable hardens and cracks. The polystyrene swells and loses its insulating properties. Within years—not decades—the sheath can become brittle enough to expose conductors, creating shock and […]

In 2026, the NEC revised Section 336.10(7), clarifying where TC-ER cable may transition without continuous support for a distance not exceeding 6 feet (1.8 meters) between a cable tray, raceway, enclosure, or equipment and the utilization equipment it serves. Behind this rule is a fundamental engineering question: Does cable protection have to come from external […]

In Philippine electrical engineering practice, cable selection is never as simple as “just powering up”—it’s about safety compliance, long‑term reliability, and passing project inspections. Faced with fixed wiring and mobile power supply scenarios, engineers and procurement professionals often struggle with the most fundamental question: Which one should I choose? Both appear to transmit electricity, but […]

In North American residential distribution, single-family homes typically use a single-phase, three-wire system (120/240V) served by triplex URD. Multi-family, commercial, and industrial projects, however, require three-phase, four-wire systems (120/208 V or 277/480 V)—which demand quadruplex URD. The difference between triplex and quadruplex is not just one extra conductor. They serve fundamentally different distribution systems, and […]

In North and South America, the final link from transformer to meter is a single-phase, three-wire system (120/240V). The standard cable for this service is triplex URD: two insulated phase conductors and one neutral, twisted together. Triplex URD is designed for 600V secondary distribution. The twisted assembly is not a packaging convenience—it balances electrical performance, […]