A protective bushing has to be installed so that the outer sheath of the cable is not damaged during the installation.
No, staples are not required where cables are run horizontally through holes in framing members. When the cable changes direction from horizontal to vertical runs from the last hole a staple is required, no greater distance that 16 inches from the hole.
Staples are not required where cables are run horizontally through holes in framing members. When the cable changes direction from horizontal to vertical runs from the last hole a staple is required, no greater distance that 16 inches from the hole.
Via holes (vias) are provide in a PCB for taking signal traces from one layer to another. So all multi layer PCBs will have via holes. Vias are also provided for supporting and assembling through hole devices or connectors.
FETs can be called UNIPOLAR devices because the charge carriers that carry the current through the device are all of the same type i.e. either holes or electrons, but not both. This distinguishes FETs from the bipolar devices in which both holes and electrons are responsible for current flow in any one device.
Not really. You can compare them with the analogy of water flowing through a pipe. For water to flow, there must be a pressure difference across the ends of the pipe. An electric current is a movement of electric charges along a conductor. For those charges to move, there must be a voltage (more accurately, a 'potential difference') across the ends of the conductor. So a potential difference is required to cause current to flow.
No, staples are not required where cables are run horizontally through holes in framing members. When the cable changes direction from horizontal to vertical runs from the last hole a staple is required, no greater distance that 16 inches from the hole.
Staples are not required where cables are run horizontally through holes in framing members. When the cable changes direction from horizontal to vertical runs from the last hole a staple is required, no greater distance that 16 inches from the hole.
Yes, it does. As long as there are holes to plug the cables into.
The only large hole should be the one you need to run the wires and cables through. Other than there there should be no large holes.
It has been a long time since I read that portion of the code book but no, staples are not required. When a wiring method such as NM cable is fed through framing members or floors or ceilings, it is "presumed" to be supported. This means it is treated as if it is supported even if it is not mechanically held in place. As a professional, however, I must determine if such "presumption" is adequate. In most cases it is because the framing members are close enough that the potential for damage is negligible.
Cover them with wood or metal.
There are many animals that dig holes underground. Frogs dig holes. Moles also dig holes and rabbits can as well. Animals will do this for protection, and to stay cool.
They're both there for protection. Gasses pass through the shell because it has microscopic holes - too small to pass even water. Gasses pass through the membrane by diffusion (after they devolve).
Typically it is just through holes but you need to check with your local inspector to be sure since local codes that are stricter than national are the ones enforced.
A cricket breathes through holes in its body, by letting in oxygen i the body
This is a spreading out of a wave around corners or through holes.
Fall through the holes in an 'S' shape, that is north, west, east, south.