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Old 18-12-2013, 06:23   #31
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Re: AC Wall Outlets

The NEMA 6-20 receptacle shown in the picture is rated for 208 or 240 VAC and 20A of current. It does not provide 110VAC when properly wired.

The NEMA 6-20 receptacle will permit someone at any time to connect a 240 VAC appliance drawing 20A of load.

The wiring and breaker are already rated at 15A, so the better choice would be the NEMA 6-15 receptacle, to retain the existing wiring and breaker AND have a fully compliant system.
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Old 18-12-2013, 06:24   #32
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Re: AC Wall Outlets

I didn't notice any mention of GFI. Along with lower amperage for equal wattage comes 4 times the electrocution power, more than that in actual practice.
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Old 18-12-2013, 06:51   #33
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Re: AC Wall Outlets

Quote:
Originally Posted by wingless View Post
The NEMA 6-20 receptacle will permit someone at any time to connect a 240 VAC appliance drawing 20A of load.

The wiring and breaker are already rated at 15A, so the better choice would be the NEMA 6-15 receptacle, to retain the existing wiring and breaker AND have a fully compliant system.
The only real downside to using the 6-20 outlet in a 15A circuit is that a 20A load would (hopefully) pop the 15A breaker. Annoying but not dangerous.

But, sure, the 6-15 outlet would prevent that.
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Old 18-12-2013, 07:08   #34
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Re: AC Wall Outlets

Hello,

I have 10amp BEP breakers on these circuits. The Hoover will be the largest power consumer on these circuits. The Hoover is 900w so 4amps max.

There are 3 in the saloon, 2 in the aft cabin, 1 at the floor near the settee in the galley, and 2 in the V-birth.

All other AC outlets are changed to UK style receptacles with 2.5mm2 tinned wire on 16amp breakers.

We will be living on the vessel beginning next month. 90% of the appliances run off the 4,000w inverter and 1,200Ah 24v battery bank. The air conditioners are a different subject.

Thanks everyone !

Alan
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