{"id":2729,"date":"2021-03-29T09:51:08","date_gmt":"2021-03-29T09:51:08","guid":{"rendered":"http:\/\/rcpress.com\/wp\/?p=2729"},"modified":"2021-04-02T11:43:02","modified_gmt":"2021-04-02T11:43:02","slug":"rc-techtip-video-testing-polarity","status":"publish","type":"post","link":"https:\/\/rcpress.com\/wp\/?p=2729","title":{"rendered":"RC Techtip Video: Testing polarity"},"content":{"rendered":"<p>When you need to do a lot of wiring, sometimes it is very easy to make stupid mistake causing reverse polarity. Most speed controllers  offer no protection against it!<\/p>\n<p>To ensure the wiring is correct, you can use a multi meter. Or, you can come up with a simple testing device through the use of a small DC fan. A DC fan will spin only if the polarity is correct. <\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/khgkxWHA_zE\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When you need to do a lot of wiring, sometimes it is very easy to make stupid mistake causing reverse&hellip;<\/p>\n","protected":false},"author":1,"featured_media":2687,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57,122],"tags":[],"class_list":["post-2729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rc-videos","category-tech-tip-electronics"],"_links":{"self":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2729"}],"version-history":[{"count":2,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2729\/revisions"}],"predecessor-version":[{"id":2731,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2729\/revisions\/2731"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/media\/2687"}],"wp:attachment":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}