What is a telephone jack and why is it called jack?

[Sroth]

English Language Tests, Intermediate level

ESL/EFL Test #849 "Real Life: Telephones (1)", question 2

I just unpacked the telephone from one of the moving boxes. Will you plug its cord into the telephone ......... found at the bottom of the wall?

(a) junction
(b) jack
(c) can
(d) button

English Language Tests, Intermediate level

ESL/EFL Test #849 "Real Life: Telephones (1)", answer 2

I just unpacked the telephone from one of the moving boxes. Will you plug its cord into the telephone jack found at the bottom of the wall?

Correct answer: (b) jack
_________________________

Dear Teacher,
What is the meaning of the telephone jack.
Thanks
Savath

[Beeesneees]

The socket that the telephone wire fits into is often called the 'jack'.

definiton:
an electrical device consisting of a connector socket designed for the insertion of a plug.
_________________
Cheers m' dears!

[Linda]

Hi Savath,
Telephone jack: an outlet (you plug a phone into this type of outlet)
_________________
One Way of Learning English Grammar
Learn English with Linda Arlia