Category: Safety & quality
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
Temporary site electrics cover the generator or temporary meter, distribution boards, cables and sockets feeding equipment and lighting. Boards need earth leakage breakers rated 30 mA on socket circuits, earthing, weatherproof covers, and cables raised or protected.
Why it matters on a project
Shocks from cables lying in water and exposed sockets are among the most common site incidents. A weekly, recorded board inspection prevents most of them.
Common mistake
Plugging several tools into a domestic extension lead lying in water after concrete curing.
Frequently asked questions
What is an earth leakage breaker?
A breaker that trips when current leaks to earth; 30 mA is the usual rating for personal protection.
Who installs temporary boards?
A qualified electrician, who inspects them regularly and records it.
Related terms
- Lockout tagoutIsolating, locking and tagging an energy source before work on it.
- Permit to workWritten authorisation for hazardous work (hot work, work at height, confined spaces) under set conditions.
- Site housekeepingKeeping the site tidy and clear of waste and obstructions.
- HSE planThe document setting out how health, safety and environment are managed.
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