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??? upgrading shore power to 50A 220V
On 3/18/2014 12:40 AM, Wayne.B wrote:
On Tue, 18 Mar 2014 00:22:52 -0400, KC wrote: On 3/17/2014 7:57 PM, Mr. Luddite wrote: On 3/17/2014 7:14 PM, wrote: On Mon, 17 Mar 2014 18:19:42 -0400, KC wrote: On 3/17/2014 6:01 PM, david@righthere... wrote: I've been on 30A 120V power at the dock for years and would now like to upgrade to 50A 220V, or what they refer to as 50A 250V at the marina office. I haven't put a meter on it yet but so far suspect it's closer to 220 than 250. The socket on the pedestal is like the one pictured he http://www.catagle.com/68-153/CWD_Ar...uyersGuide.htm They say it's 3-pole 4-wire. I'm guessing X and Y are the two hot legs and W is the neutral. Between X or Y and W would be 120V+/- and between X and Y is the 220/250V. Right? How does the ground tie into it though? With only 3 poles do we run a separate wire from the boat to the pedestal, and if so how do we tie in? Also can anyone suggest the cheapest place to get a plug like that? So far the best price I've found is $68.18 he http://www.ktool.net/servlet/the-581...-63CR65/Detail Thank you for any help! David The plug is 10-20 bucks at home depot or lowes, Scottys whatever you have. It's a dryer plug basically... As to the wiring, I forget but I have a book I always use when I do the wiring.. It was about 20 bucks at home depot, I have had it for as long as I have owned a house... Not true at all, sorry. This is a non-NEMA twist lock 50a plug, that is corrosion resistant. A dryer plug is a NEMA 14-30 straight blade that would go south pretty quickly on a pier. Yup. I think Scotty should stick to building websites and not wiring boats. Why, cause I took a quick look and made a mistake? I have done a lot of wiring in my time including my whole house to code in Essex from moving in with full Knob and Tube... I have done barns, and wells. When you have a 100 year old house you tend to pick up stuff. You should see me sweat a pipe.... even if I don't know all the right terminology. Either way, that's why I always keep my electrical book with me to check my own work as I go.... === Scott, just my 2 cents worth, but when a guy is asking for advice on a potentially critical/high powered electrical issue, I think it deserves more than a quick look. Yup... probably right.. |
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