2nd October 2019

ecmweb
12

What is the tap rule for electrical?

A. Feeder tap conductors up to 25 ft long are permitted without overcurrent protection at the tap location if the tap conductors comply with the following [240.21(B)(2)]: The ampacity of the tap conductors must not be less than one-third the rating of the overcurrent device that protects the feeder.

Also asked, what is the definition of a tap conductor?

A Tap conductor is defined in 240.2 as a conductor, other than a service conductor, that has overcurrent protection ahead of its point of supply that exceeds the value permitted for similar conductors that are protected as described in 240.4.

What is a tap box?

Generator tap boxes are permanently mounted on the outside of a building. Also known as a “quick connection tap box,” “generator connection cabinet,” or “docking station,” generator tap boxes use standard male and/or female Cam-Lok® receptacles to easily connect your portable generator.

What is a feeder NEC?

Feeders, as defined in Article 100, are all circuit conductors between the service equipment, the source of a separately derived system, or other power supply source, and the final branch-circuit overcurrent device.
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