Problems with power to a marquee

At some point in your marquee erecting career you’ll have a problem with the power supply, generally shown by a lack of available light, lack of music or lack of tea facilities.

What to do?

Golden rule: Start at the power source and work your way to the marquee.

There’s no point dismantling a chandelier looking for a fault only to find the extension lead powering it has accidentally been turned off in the house. Trust me I know as I’ve done it several times (an intelligent person would learn..)

If you’re getting your power from a house using RCD adapter plugs (if you’re not then you should be) then they have little red tabs in the top saying they’re working. No red tab means it’s either tripped (reset it) or there’s no power (house has a power cut) or the fuse has gone (replace it).

Next step is to follow the extension lead across to the marquee – you’re checking to see if it’s been cut through or damaged by a lawn mower/hedge cutter/etc.

Once you get to the marquee end of the extension lead disconnect it from whatever’s plugged in and test it with something you know works (you might need a separate 16amp plug to 13amp socket adapter for this step). Ideally this would be a 13amp socket tester but failing that a radio or hoover. Nothing too valuable in case there’s actually problems with the power supply! If you get power at the socket but not the other end then swap the extension lead.

If you have power then the next step (assuming it’s lighting) is to take the dimmer out -bypass it by connecting the chandeliers straight on to the extension lead. If the chandeliers work then you’ve got a problem with the dimmer (if overloaded they can melt inside which is fatal for them. Remember maximum two 5-arm chandeliers per dimmer). If the chandeliers still don’t work then you’ve got a problem with one or both of the chandeliers. Take them down and test them individually to see where the fault lies.

Problems with power happen quite regularly, generally it’s nuisance tripping (a bulb blowing) that means resetting the RCD adapter or even the trip inside the house. We test the chandeliers last as they’re furthest from the house and can mean taking down all the linings. It won’t be an early day.

Whilst talking about power it’s worth mentioning that most catering equipment isn’t electrically tested regularly enough so often trips an RCD. If it keeps tripping don’t be tempted to remove the RCD, it’s there to protect people. If there’s faulty equipment it should not be used.

Bottom line:  Always have a 13amp socket tester, a 16amp plug to 13amp socket adapter, a few fuses and a small screwdriver in your van. A torch wouldn’t go a miss either 🙂

An early blog this week as I’m away next week. Yes, yes more holidays than Santa. I’d point out that we’re having another baby in November when all hell will break loose so we’re going away while we can!

Thanks for reading

Spencer

  • jameshirst

    I used Marquee power for my event, they proved cost effective and reliable for my marquee which had big power demands due to the caterers and bands, http://www.marqueepower.co.uk

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