Homeowner

Review a tradeHomeowner advice centreFind your expertSaved trades

Trades

Join CheckatradeAdvice centreLog in to member's area
Download app

Photos

Customer reports tripping on a garage circuit
All obvious causes illuminated, and closer inspection proves poor installation method used to protect against the ingress of water.
Bingo.
Preview of lLrcIY1YTVt8mavICeXl.
Poor installation at meter. Access to live parts.
Live loose ends accessible following works conducted by a builder.
Inadequate connections mean high resistance and build up of heat causing thermal damage.
Inadequate means of mains earthing.
Old canvas insulated cables past their service life on the far right connection soured off a 60A supply with no means of fusing or isolation.
Faulty product causing thermal overload.
Rodent damage causing nuisance tripping.
Discontinuation of circuit protective conductor leaving all spot lights after this one without any earthing.
Poor installation at each light fitting.
Industrial workshop with inadequate terminations into motors and controls.
Preview of wwMmsH63Mp5W9tBdr1gr.
Thermal imaging proving either an overload of phase 3 or loose fuse carrier. Further investigation was needed at this premises supplying an industrial work shop.
Customer reports nuisance tripping. They have a single RCD rated at 30 milliamperes protecting several circuits. Measurement taken off peak proving earth leakage issue.
Testing faulty underfloor heating.
Leg of cable supplying faulty underfloor heating found and disconnected.
Mains cut out fuse incorrectly seated and showing live copper conductor.
Undersized cable used on a socket