ampacityn.

Brit.

/amˈpasᵻti/, U.S.

/æmˈpæsədi/

Origin: Formed within English, by blending. Etymons: amp n.², ampere n., capacity n.

Etymology: Blend of either amp n.² or amp- (in ampere n.) and capacity n.

North American.

The maximum amount of current, expressed in amperes, that a conductor can carry without exceeding its specified operating temperature.

ΚΠ

1953 Trans. Amer. Inst. Electr. Engineers 72 iii. 1234/3 The shore ends of submarine cables may limit the ampacity of the circuit.

2003 R. E. Loyd Journeyman Electrician's Rev. (ed. 4) 65/2 Even though the wire size has not changed.., the ampacity has changed due to the temperature rating of the insulation on the conductor.

This entry has been updated (OED Third Edition, September 2019; most recently modified version published online December 2021).

单词	ampacity
释义	ampacityn. Brit. /amˈpasᵻti/, U.S. /æmˈpæsədi/ Origin: Formed within English, by blending. Etymons: amp n.², ampere n., capacity n. Etymology: Blend of either amp n.² or amp- (in ampere n.) and capacity n. North American. The maximum amount of current, expressed in amperes, that a conductor can carry without exceeding its specified operating temperature. ΚΠ 1953 Trans. Amer. Inst. Electr. Engineers 72 iii. 1234/3 The shore ends of submarine cables may limit the ampacity of the circuit. 2003 R. E. Loyd Journeyman Electrician's Rev. (ed. 4) 65/2 Even though the wire size has not changed.., the ampacity has changed due to the temperature rating of the insulation on the conductor. This entry has been updated (OED Third Edition, September 2019; most recently modified version published online December 2021). < n.1953
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