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The same 1/0 aluminum primary is sold in eight different 15 kV constructions. Here is what each choice means (insulation level, neutral, TR-XLPE vs EPR) and exactly what to put in the RFQ.
PV wire and USE-2 look identical on the reel but UL lists them under different standards with different rating...
Three families of bare aluminum conductor, one set of kcmil sizes, three different answers to '795 bare alumin...
Type P, IEEE 1580, UL 1309, MIL-DTL-24643: shipboard cable has its own standards for good reasons. Here's what...
EV chargers are continuous loads — the 125% rule changes everything about wire sizing. Here's the wire you nee...
Every wire weight you need in two charts: bare copper, THHN, and XHHW-2 from 14 AWG to 1000 kcmil, plus alumin...
MV-105 isn't a brand name — it's a temperature rating. Here's what the "105" means, how it compares to MV-90, ...
For feeders and services, aluminum wire can cut conductor cost dramatically. For branch circuits, copper still...
SER is the 4-wire style for subpanels and downstream feeders; SEU is the 3-wire style for the service drop to ...