[Clayart] Kiln question

kathi at lesueurclaywork.com kathi at lesueurclaywork.com
Fri Oct 14 18:36:08 UTC 2022

I would suggest if you have a local clay supplier to ask if they can recommend an electrician. Not all electricians understand kilns. I had one insist that when my computer controlled  kiln was on it was drawing 45 amps. I explained that the computer did the same thing as the switches on the kiln next to it. He told me I didn’t  know what I was talking about and BOTH drew 45 amps when on regardless of how the switch was set. He also checked the wire connections. “Tightened them”. The next electrician tightened them more.

Kathi LeSueur

Sent from my iPad

> On Oct 14, 2022, at 2:18 PM, William Schran <wschran at twc.com> wrote:
> As David wrote in his response, 220/240V are essentially the same
> voltage coming to residences. Only issue with used kilns from
> institutions is they may be 208V and 3 phase connection. No worries
> your home is 220/240V single phase.
> It will be important that you have the correct wiring and circuit
> breaker for your kiln. A quick look at this kiln's electric
> specifications states a 48 amp draw so this requires a 60 amp breaker
> and #6gauge copper wire for line to the 6-50P outlet. If you can
> install near the circuit breaker you can keep supply line under 40
> feet long that is needed otherwise you'll need #4 gauge wire. Make
> sure kiln location can be provided with cross draft ventilation.
> William Schranwschran at twc.com703-505-1617
>    -----------------------------------------From: "Ginger Dunlap-Dietz" 
> To: "Clayart international pottery discussion forum"
> Cc: 
> Sent: Thursday October 13 2022 7:08:08PM
> Subject: [Clayart] Kiln question
> I've been offered for free in good condition an older Cress Firemate
> (FX27P) with 220 volts but the voltage in my new studio is 240. I'm
> wondering if it makes sense to take it and change the elements rather
> than
> buy a new kiln with a controller and sections.
> I fire to Cone 6.
> Thanks,
> Ginger D-D
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