Data Center Construction: How to Plan and Select Power Cables
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 from data centers. Behind these
AS/NZS 3808: Insulation and Sheathing Material Standard, Not a Cable Standard
In Australian and New Zealand electrical projects, AS/NZS 3808 is often mistaken for a cable product standard. In fact, it specifies requirements for the insulation and sheathing materials of cables, not the construction or performance of the cable as a whole. Confusing the two can lead to the wrong verification focus during selection—treating a material standard as a product standard—and
SJT, SJTW, and STW Portable Cords: Selection Guide
In industrial equipment power, temporary construction site wiring, and outdoor equipment connections, portable cords are consumables—but not disposable. From the same batch, some cords stay flexible for two or three years, while others harden, crack, or break at the bend within three months. SJT, SJTW, and STW are the three most common portable cord types under UL 62. They look
TPS Cable: AS/NZS 5000.2, SAA Certification, and Selection for Australian Projects
TPS cable (Thermoplastic Sheathed cable) is the standard fixed wiring cable for residential, commercial, and light industrial installations in Australia and New Zealand. It is a thermoplastic-insulated, thermoplastic-sheathed cable, typically with stranded copper conductors and a PVC outer sheath, rated 450/750V with a 90°C maximum conductor temperature. TPS cable is governed by AS/NZS 5000.2, the Australian/New Zealand standard for thermoplastic-sheathed
NM vs. NM-B Cable: Ampacity, Code Rules, and Selection
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 in insulated wall cavities. This
YJV Cable: XLPE Insulation, Flame Retardancy, and Ampacity Derating
YJV cable—copper conductor, XLPE insulation, PVC sheath—is a low-voltage power cable widely used in commercial buildings, industrial plants, and infrastructure distribution. Its continuous operating temperature reaches 90°C, short-circuit withstand is 250°C for 5 seconds, and ampacity is 15%–30% higher than PVC-insulated cable of the same cross-section. But selection is not only about cross-section. Flame retardancy, conductor configuration, and ambient temperature