Sylvia Else wrote:
> On 02-May-23 11:34 am, lindsay wrote:
>> On 2/05/2023 10:38 am, Sylvia Else wrote:
>>> I was just looking at my air compressor. Near the plug, there is a
>>> warning label that says "The use of an extension lead is not
>>> recommended."
>>>
>>> OK, so if I need compressed air somewhere where there's no mains
>>> outlet within the lead length of the compressor, I'm supposed to do
>>> what, exactly?
>>>
>>> Move the very heavy compressor within range of an outlet, run it
>>> until it stops, then move it back to where I need the air? Rinse, and
>>> repeat? Buy a petrol generator, and run it off that?
>>>
>>> Perhaps they're just trying to cover their rear-end, but if someone
>>> attaches an extension lead, and then trips over it, I rather doubt
>>> any court will blame the compressor manufacturer anyway.
>>
>> Sounds to me they are warning you that the motor is/will draw a large
>> amount of electrical power, and dragging that power over a long
>> extention lead is not recommended as it may overheat/melt the lead and
>> or motor.
>>>
>>> BTW, my local Bunnings has travelators. They've just installed
>>> warning signs at the start of each, at several places along its
>>> length, and put large bright yellow strips on the sides near the end.
>>> It's huge overkill.
>>>
>>> Sylvia.
>>>
>>
>
> The longer the extension lead, the more heat dissipated, other things
> being equal. But also the more heat can be dissipated safely (provided
> the lead is unwound) so it balances out. An extension lead does not get
> a higher temperature just because it is longer.
>
> Sylvia.
>
>
Just get a heavy enough lead