Checks for common temporary kit.
Start with the heaters, dryers, fans or cooling units you are about to plug in, then run the main load check once you have the label ratings.
Electric heater amp check
Check how many amps a temporary electric heater will draw before you plug it in.
3 kW heater plug loadCan I run a 3 kW heater from a 13 amp plug?
A plain-English 3 kW heater and 13 amp plug check for UK temporary heating jobs.
Heater count planningHow many electric heaters on one circuit?
Estimate heater count on a known socket, circuit or temporary supply rating before the kit arrives.
Drying kit load checkDehumidifier load check
Check the combined load from dehumidifiers, air movers and heaters used for damp rooms, leaks and drying work.
Heater plus dehumidifier loadCan a heater and dehumidifier share one socket?
Check whether a heater, dehumidifier and air mover are too much for one socket or lead.
Portable AC and fan ampsPortable AC load check
Check portable air conditioner, fan and ventilation loads before adding cooling to a hot office, server room or temporary work area.
AC nameplate input powerPortable AC: BTU output vs electrical input
Why a portable AC BTU rating is not the number to use in an electrical load check.
Extension lead red flagsExtension leads and temporary equipment
A plain-English checklist for extension leads, coiled reels and adaptor chains used with temporary heaters or drying kit.
Coiled cable reel heater riskWhy coiled cable reels are a heater red flag
Understand why sustained heater loads and partly coiled cable reels are a bad mix.
Breaker tripping troubleshootingWhy temporary heaters trip breakers
Understand why portable heaters trip breakers and how to reduce repeat shutdowns without unsafe workarounds.
Drying kit RCD tripRCD tripping with drying equipment
What to check when dehumidifiers, air movers or temporary heaters keep tripping an RCD.
16 A heater supply16 amp vs 13 amp temporary heater supply
When a 16 A temporary supply may be more suitable than trying to run larger heaters from 13 A sockets.
Drying room electrical planDrying room power plan
Plan the electrical side of a damp-room or leak-drying setup before running dehumidifiers, air movers and heaters.
Boiler breakdown heater planTemporary heater plan during a boiler breakdown
A simple load and heater-count plan for shops, offices, care spaces or workrooms during a boiler failure.
Shop/workshop heater loadShop and workshop temporary heating load
Check portable heater loads in retail, workshop and light industrial spaces with other equipment already running.
Office portable AC loadOffice portable AC plug load
Check portable AC, fan and IT loads before cooling a hot office, meeting room or comms cupboard.
Read equipment labels correctlyNameplate amps vs watts
How to read appliance labels when planning temporary heaters, dehumidifiers, fans and portable AC units.
Load check handoff noteWhat to send to an electrician or hire supplier
A short handoff checklist for temporary heaters, drying equipment, fans and portable AC load questions.
Breaker trip triageHeater keeps tripping the breaker
A plain-English first check for temporary heaters that trip a breaker, including load, circuit sharing and cable red flags.
Portable AC trip checkPortable AC trips the breaker
Check portable AC input watts, existing room load and trip symptoms before resetting a breaker again.
Circuit mappingHow to check if sockets are on the same circuit
A simple breaker/lamp mapping process before spreading heaters, drying kit or portable AC across sockets.
3 kW 13 A check3 kW heater and 13 amp plug checker
Why a 3 kW heater is a tight fit on a UK 13 amp plug/socket and what to check before use.
Warm plug heater riskPlug gets warm with a heater
What a warm plug, melted fuse carrier or hot extension lead means when running temporary electric heaters.
Boiler breakdown heater planBoiler breakdown temporary electric heater plan
Plan temporary electric heaters during a boiler failure without filling every socket and overloading a circuit.