The sea is a hostile place, and not just physically. Chemically, the sea is alive and raging, and iron, copper, and other reactive elements don’t stand a chance with respect to any extended stay in the vicinity of marine conditions. Not to wax poetic, but rust and corrosion are something with which you’ll need to get very familiar if you spend any appreciable amount of time by...

Aluminum triplex wire is a type of power service entry cable that is commonly used in residences as well as in either applications. Perhaps most commonly it is encountered when distributing power entry to homes. In the simplest terms, aluminum triplex wire consists of three cables twisted around each other. Two of the wires are hot legs, and the third is a neutral wire for the service cable....

The term “10 AWG solar PV multi-conductor tray cable” is a mouthful. As a single term it is nearly a phrase or a sentence rather than a term for a single type of cable. And yet it is; this short post will break down what each piece of the term qualifies or signifies. 10 AWG: AWG stands for American Wire Gauge, which is the system used to measure the diameter of electrical wire in...

It’s no secret that 4/0 welding cable is very thick - or any 4/0 electrical cable for that matter. A cable of this gauge has a nominal diameter of .720”, almost a full inch thick. Cable like this can weigh as much as 700 pounds, or more, per 1000 feet; in some cases, a little more or less, depending on metallurgy and insulation. Yet, as you might be familiar, 4/0 welding cable...

Even though fire alarm systems must be installed in accordance with law and applicable regulations, their presence in public buildings, and their operability, is not just a matter of compliance with code; it is a matter of public safety. Consequently, it is necessary to periodically inspect the fire alarm system, inclusive of the alarms and cables, as well as to test the system for...