Article 300 covers the general requirements for wiring methods for all wiring methods, unless modified by other Articles in the Code. Section 300.22 focuses on wiring in ducts not used for air ...

Photovoltaic wiring methods containing _____ must be terminated only with terminals, lugs, devices, or connectors that are identified and listed for such use. Mike Holt is the owner of Mike Holt ...

Buying a home with knob and tube wiring? You should be concerned with the safety of the wiring and the insurability of the home. I'll discuss both in this post, but first, some background. Knob and ...

Some common pitfalls in machine safety have to do with not wiring devices correctly. Many devices today can cover a range of safety levels, such as SIL 1 through SIL 3, but have different wiring ...

Normally, the fire alarm initiating device, notification appliance and signaling line circuits are not run outside the building. When we have no choice but to run them overhead or underground, ...