Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The root mean square of the
electrical current which a device (usually a wire) can carry within a specific environment (including temperature rating, power loss, heat dissipation, etc.) It is measured inamperes , (amps ) and is most often used to rate electrical wires andcables .
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word ampacity.
Examples
-
In brief, the rules for tapping feeder circuits indicate that a conductor rated 10% of the ampacity of a feeder conductor may be tapped from the feeder, provided it is not greater than 10 ft in length and it terminates in an appropriately sized OCPD.
CSE - Top Articles 2010
-
The feature is normally used for paralleling cables to feed the full ampacity of the breaker to a load.
CSE - Top Articles 2010
-
Figure 6 provides an additional example of taps to serve lower-ampacity loads from higher-ampacity circuit breakers, only from a different series of circuit breakers.
CSE - Top Articles 2010
-
In brief, the rules for tapping feeder circuits indicate that a conductor rated 10% of the ampacity of a feeder conductor may be tapped from the feeder, provided it is not greater than 10 ft in length and it terminates in an appropriately sized OCPD.
CSE - Top Articles 2010
-
In practice, the 600 A circuit breaker may contain a lower-ampacity trip unit to avoid the necessity to oversize the incoming cable.
CSE - Top Articles 2010
-
The number and size of loads in an industrial control panel or NEC installation frequently require a circuit breaker 800 A or greater to be used as a main device, with lower-ampacity circuits tapped from it.
CSE - Top Articles 2010
-
Conductors equal to the full ampacity of the circuit breaker must be extended to the power terminal block
CSE - Top Articles 2010
-
Figure 3 illustrates a 2,500 A breaker frame with a 1,600 A trip unit (higher ampacity trip units are available to the full-frame rating).
CSE - Top Articles 2010
-
Figure 6 provides an additional example of taps to serve lower-ampacity loads from higher-ampacity circuit breakers-only from different series of circuit
CSE - Top Articles 2010
-
The number and size of loads in an industrial control panel or NEC installation frequently require a circuit breaker 800 A or greater to be used as a main device, with lower-ampacity circuits tapped from it.
CSE - Top Articles 2010
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.