Manhole

A manhole or maintenance hole is the top opening to an underground vault used to house an access point for making connections or performing maintenance on underground and buried public utility and other services including sewers, telephone, electricity, storm drains and gas. It is protected by a manhole cover, a (usually metal) plug designed to prevent accidental or unauthorised access to the manhole.

Related Topics:
Vault - Public utility - Sewers - Telephone - Electricity - Storm drains - Gas - Manhole cover

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Manholes are generally found in urban areas, in streets and occasionally under sidewalks.

Related Topics:
Urban - Sidewalks

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Outside the Wales Millennium Centre in Cardiff Bay is a cobble manhole.

Related Topics:
Wales Millennium Centre - Cardiff Bay - Cobble

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In rural and undeveloped areas, services such as telephone and electric are carried on pylons.

Related Topics:
Rural - Pylon

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