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单词 earth spike
释义

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earth spike
e. Relating to the earth in relation to its conduction of electricity (cf. sense 6a), as earth resistance, earth spike, etc. See also earth connection n., earth return n. 1.
ΚΠ
1866 R. M. Ferguson Electricity 243 The earth resistance to the current..is next to nothing.
1913 J. Erskine-Murray Handbk. Wireless Telegr. (ed. 4) xix. 367 (heading) The radiation efficiency, earth resistance and other constants of a transmitter.
1985 C. S. Ward Anaesthetic Equipm. (ed. 2) xix. 313/1 The second method of improving safety is to install a current-operated earth-leakage circuit breaker (COELCB, also known as an ‘earth trip’).
1998 New Scientist 28 Nov. 57/2 I am installing an earth spike to securely earth the network of pipes.
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