Second photo of the thirty amp connector is from corrosion and loose connections, most likely in the female receptacle. Easy to replace with good quality one. Third photo shows corrosion on the adapter. I do not care for this type. the dog bone style works a little better. This looks like it has been under heavy loads in a moist atmosphere. Coating your connectors with electrical grease should reduce the corrosion somewhat.","board":{"__ref":"Forum:board:TechnicalIssues"},"conversation":{"__ref":"Conversation:conversation:1573170"},"author":{"__typename":"User","login":"enblethen"},"postTime":"2015-02-14T11:50:53.000-08:00","kudosSumWeight":0}},{"__typename":"MessageEdge","cursor":"MjUuMnwyLjF8b3w1fDE0OjAsMzk6MXwy","node":{"__typename":"ForumReplyMessage","uid":1573172,"body":"Seems odd to have them all burned. Lose or dirty connection causes the heat. Almost looks like some arching on the plug may have exasperated marginal connection on the neutral bus. But what was drawing so much power? Not that it takes a whole lot. Is the battery OK?","board":{"__ref":"Forum:board:TechnicalIssues"},"conversation":{"__ref":"Conversation:conversation:1573170"},"author":{"__typename":"User","login":"time2roll"},"postTime":"2015-02-14T12:26:23.000-08:00","kudosSumWeight":0}},{"__typename":"MessageEdge","cursor":"MjUuMnwyLjF8b3w1fDE0OjAsMzk6MXwz","node":{"__typename":"ForumReplyMessage","uid":1573173,"body":"Thanks for the replies. At the time of the incident I was running an electric heater (11.7A draw on a 20A breaker), the fridge on electric, a couple lights and my laptop charger. Nothing out of the ordinary. The batteries are fine and before I pulled the negative cables just to be safe, I still had 12v power (lights, etc.). So should I try to clip back to clean wire (i.e. cut the melted bits off) and coat with electrical grease after cleaning things up and give it a try?","board":{"__ref":"Forum:board:TechnicalIssues"},"conversation":{"__ref":"Conversation:conversation:1573170"},"author":{"__typename":"User","login":"Robbystone"},"postTime":"2015-02-14T12:40:29.000-08:00","kudosSumWeight":0}},{"__typename":"MessageEdge","cursor":"MjUuMnwyLjF8b3w1fDE0OjAsMzk6MXw0","node":{"__typename":"ForumReplyMessage","uid":1573174,"body":"This may not be the right thing to do, but I would repair the damaged wires as stated above, check the voltage at the post, then trip off all the breakers. Then plug it back in and if all seems OK then turn on each breaker One at a time while monitoring what is happening. 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Connect with others who have been in your shoes.","avatar":{"__ref":"AssociatedImage:{\"url\":\"https://community.goodsam.com/t5/s/feyqc97479/images/bi0xNC01NjBpRjZEQTJBOEZFMzZFOUFBMw\"}"},"profileSettings":{"__typename":"ProfileSettings","language":null},"parent":{"__ref":"Category:category:RVTalk"},"ancestors":{"__typename":"CoreNodeConnection","edges":[{"__typename":"CoreNodeEdge","node":{"__ref":"Community:community:feyqc97479"}},{"__typename":"CoreNodeEdge","node":{"__ref":"Category:category:RVTalk"}}]},"userContext":{"__typename":"NodeUserContext","canAddAttachments":false,"canUpdateNode":false,"canPostMessages":false,"isSubscribed":false},"boardPolicies":{"__typename":"BoardPolicies","canPublishArticleOnCreate":{"__typename":"PolicyResult","failureReason":{"__typename":"FailureReason","message":"error.lithium.policies.forums.policy_can_publish_on_create_workflow_action.accessDenied","key":"error.lithium.policies.forums.policy_can_publish_on_create_workflow_action.accessDenied","args":[]}}},"shortTitle":"Technical Issues","repliesProperties":{"__typename":"RepliesProperties","sortOrder":"REVERSE_PUBLISH_TIME","repliesFormat":"threaded"},"topicsCount":24228,"messageActivity":{"__typename":"MessageActivity","corePropertyChangeTime":"2025-04-03T06:58:49.435-07:00"},"eventPath":"category:RVTalk/community:feyqc97479board:TechnicalIssues/"},"Rank:rank:42":{"__typename":"Rank","id":"rank:42","position":35,"name":"Explorer","color":"333333","icon":null,"rankStyle":"TEXT"},"User:user:104915":{"__typename":"User","id":"user:104915","uid":104915,"login":"Robbystone","deleted":false,"avatar":{"__typename":"UserAvatar","url":"https://community.goodsam.com/t5/s/feyqc97479/m_assets/avatars/default/avatar-2.svg?time=1737155183000"},"rank":{"__ref":"Rank:rank:42"},"email":"","messagesCount":18,"biography":null,"topicsCount":3,"kudosReceivedCount":0,"kudosGivenCount":0,"kudosWeight":1,"registrationData":{"__typename":"RegistrationData","status":null,"registrationTime":"2014-12-06T16:15:23.000-08:00","confirmEmailStatus":null},"followersCount":null,"solutionsCount":0},"ForumTopicMessage:message:1573170":{"__typename":"ForumTopicMessage","uid":1573170,"subject":"Power Center smoking/melting help (WFCO 8955)","id":"message:1573170","revisionNum":1,"repliesCount":17,"author":{"__ref":"User:user:104915"},"depth":0,"hasGivenKudo":false,"board":{"__ref":"Forum:board:TechnicalIssues"},"conversation":{"__ref":"Conversation:conversation:1573170"},"readOnly":false,"editFrozen":false,"moderationData":{"__ref":"ModerationData:moderation_data:1573170"},"body":"Thanks all for taking the time to read. I searched but couldn't seem to find anything but please feel free to direct me to another post on the subject that I missed. So last night I'm sitting up way past my bedtime typing emails for work in my trailer and catch a whiff of burning plastic on the air. I immediately head over to the power center and find it very hot and putting off a decent amount of smoke. I threw the main and went outside and unplugged (30A) shore power. This morning when I had enough light to see by, I pulled the cover off the converter and rather than the blackened inverter I expected, I found all the wires in the neutral terminal bar melted and blackened.
I also checked the shore power plug in the daylight and noticed what appears to be some blackening on the terminals that I don't 100% remember seeing but can't say for sure wasn't already there (I know, I should pay better attention!).
So, my question is, anyone have an idea what could cause this? We're full timing in this 2005 Keystone Springdale 295BHL for the 5 months I'm in town for work and haven't had a problem of this sort to date. I've been running an electric heater that has tripped the breaker a couple of times but aside from that I can't think of anything. My thought is to buy a whole new power center and replace it but I'd really like to sus out the cause of the problem first. Any help would be greatly appreciated. Thanks all!","body@stringLength":"1677","rawBody":"Thanks all for taking the time to read. I searched but couldn't seem to find anything but please feel free to direct me to another post on the subject that I missed. So last night I'm sitting up way past my bedtime typing emails for work in my trailer and catch a whiff of burning plastic on the air. I immediately head over to the power center and find it very hot and putting off a decent amount of smoke. I threw the main and went outside and unplugged (30A) shore power. This morning when I had enough light to see by, I pulled the cover off the converter and rather than the blackened inverter I expected, I found all the wires in the neutral terminal bar melted and blackened.
I also checked the shore power plug in the daylight and noticed what appears to be some blackening on the terminals that I don't 100% remember seeing but can't say for sure wasn't already there (I know, I should pay better attention!).