Wire Insulation and Stranding Types
What jacket is most commonly used in residential applications? Dry conditions, no burial or sunlight. Lowest cost.
what is NM-B (ROMEX)
How many styles of actuators are there?
what is eight
Another name for a step bit
what is a uni bit
what jacket is the lowest cost single conductor commonly used in conduit or cable trays?
what is THHN
Circuits conductors between the final over current device protecting the circuit and the outlets.
what is branch circuits
The *blank* is used to mark the center of a hole before drilling
what is a center punch
What is Stranding
a unit of an electrical system other than a conductor that carries or controls electric energy is its principle function.
what is a device
what is the difference between a masonry bit and twist bit
what is compact stranding
What are the two main purposes of the terminals on a switch or receptacle
what is point of contact or interface with the building wire and bundling stranded wire
What are the three basic parts of screwdriver
what is the shank, blade, and handle
What are the four types of stranding
what is concentric, compressed, combination uni lay, compact
what is an actuator, contact, mounting strap, and terminal.
What is the percentage of injuries caused by hand tools
what is eight percent