Visitors 184


V013_5080

Date: 20-Jun-1971
Location: Thornbury depot

An essential part of the daily routine of trolleybus operation was a daily earth leakage test. Due to being on rubber tyres no return to earth was guaranteed and this test ensured that neither passengers nor crew grounded either the positive or negative connection to earth when boarding or alighting.

Categories & Keywords
Category:Transportation
Subcategory:Buses
Subcategory Detail:
Keywords:Bradford, trolleybus

V013_5080