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Author Topic: What sort of 220V current rating for HF or VHF Amp  (Read 646 times)
K4GPS
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Posts: 23




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« on: July 16, 2007, 03:25:51 PM »

What came first the chicken or the egg ? Well I am a similar situation. I am having a house built and the electricians are almost done. I requested a 50a breaker in the garage for a compressor/welder but I need some suggestions for a FUTURE amp about 50ft away in my shack/office.

What is the most current that an average 2kw amp will pull and what sort of outlet should I request? The breaker box will be in the garage and local regulations requires it to be sheetrock for fire code.

I don't know what I will be buying or IF I will ever end up buying one but a $80-100 investment now for an outlet could save me several hundreds of dollars later to have it done professionally or me destroying a lot of drywall to get it done myself.

Thanks,
Rich
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AA4PB
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Posts: 12832




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« Reply #1 on: July 16, 2007, 04:01:14 PM »

A dedicated 240V, 20A circuit will handle any amplifier.
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W3LK
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Posts: 5639




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« Reply #2 on: July 16, 2007, 04:33:28 PM »

While you are at it, have them run two dedicated 120v/20A circuits to the shack, as well, for the radios and computer(s). That keeps them off the lighting and other general use circuits.

73,

Lon - W3LK
Naugatuck, Connecticut
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A smoking section in a restaurant makes as much sense as a peeing section in a swimming pool.
K4GPS
Member

Posts: 23




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« Reply #3 on: July 16, 2007, 05:06:43 PM »

Thanks, for the advice

And as far as the circuits that's been done along with driving a ground rod outside of the shack, feeding the buss bar through the concrete wall in PVC and bonded the shack rod with the main service ground. Once the drywall is up a small ground bar will be mounted in the shack.

It's all costing me a bit much now but in the long run it will be cheaper than doing a retrofit. It's tough laying copper grounds under concrete slabs!
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