How big a fuse do I need?

For heating, lighting and electronics, you want the smallest fuse that is more than 10% over the rated current of your product.   The rated current is the wattage divided by 12, in 12V systems.  So for example, if your vest is 45W, it draws 45/12 = 3.75A.  10% more than 3.75 is 1.1 * 3.75 = 4.125.  Use a 5A fuse.  If the manufacturer supplied or recommended a fuse size, do what they do.  For motorized devices, you may need to go higher to handle startup surges.  For double outlets, size to fuse to the nearest size larger than the sum of the currents of  the accessories you expect to connect.

Request Details

Session Id:bnt34g55rudkwqfrjhekd055Request Type:GET
Time of Request:1/20/2020 10:09:04 PMStatus Code:200
Request Encoding:Unicode (UTF-8)Response Encoding:Unicode (UTF-8)

Trace Information

CategoryMessageFrom First(s)From Last(s)
aspx.pageBegin PreInit
umbracoInithandling request2.61E-050.000026
request handlercurrent url '/faq/sae-zip-on-power/how-big-a-fuse-do-i-need.aspx'0.00021080.000185
umbracoRequestHandlerxpath: '/root/*/* [@urlName = "faq"]/* [@urlName = "sae-zip-on-power"]/* [@urlName = "how-big-a-fuse-do-i-need"]'0.00027280.000062
umbracoRequestHandlerJust before xPath query (False, '/root/*/* [@urlName = "faq"]/* [@urlName = "sae-zip-on-power"]/* [@urlName = "how-big-a-fuse-do-i-need"]')0.00032120.000048
umbracoRequestHandlerpageXPathQueryStart: '/root'0.00033880.000018
umbracoRequestHandlerAdding to cache... ('/faq/sae-zip-on-power/how-big-a-fuse-do-i-need.aspx')0.00124180.000903
umbracoRequestHandlerAfter xPath query0.00127370.000032
umbracoRequestHandlerAccess checking started0.0013460.000072
umbracoRequestHandlerPage not protected0.00143010.000084
umbracoRequestHandlerAccess checking ended0.00144530.000015
umbracoInitDone handling request0.00145890.000014
umbracoPageElement loaded: questionText0.00185040.000392
umbracoPageElement loaded: bodyText0.00189880.000048
umbracoPageElement loaded: umbracoNaviHide0.00192710.000028
umbracoPagePagedata loaded for How big a fuse do I need? (ID: 1265)0.00194310.000016
aspx.pageEnd PreInit0.00259370.000651
aspx.pageBegin Init0.00264310.000049
itemStart parsing 'pageTitle'0.00267980.000037
itemDone parsing 'pageTitle'0.00273710.000057
umbracoMacroMacro loaded from cache (ID: 14, Header Images)0.00285110.000114
renderMacroRendering started (macro: Header Images, type: 1, cacheRate: 0)0.00287630.000025
umbracoMacroBefore adding extensions0.00296720.000091
umbracoXsltExtensionExtension added: urn:Exslt.ExsltCommon, ExsltCommon0.00432380.001357
umbracoXsltExtensionExtension added: urn:Exslt.ExsltDatesAndTimes, ExsltDatesAndTimes0.0043590.000035
umbracoXsltExtensionExtension added: urn:Exslt.ExsltMath, ExsltMath0.0043750.000016
umbracoXsltExtensionExtension added: urn:Exslt.ExsltRegularExpressions, ExsltRegularExpressions0.00439380.000019
umbracoXsltExtensionExtension added: urn:Exslt.ExsltStrings, ExsltStrings0.0044090.000015
umbracoXsltExtensionExtension added: urn:Exslt.ExsltSets, ExsltSets0.00442350.000015
umbracoMacroAfter adding extensions0.00443770.000014
umbracoMacroBefore performing transformation0.0044860.000048
umbracoMacroAfter performing transformation0.00486280.000377
umbracoMacroMacro loaded from cache (ID: 13, Top Navigation)0.00490880.000046
renderMacroRendering started (macro: Top Navigation, type: 1, cacheRate: 0)0.00492940.000021
umbracoMacroBefore adding extensions0.00498420.000055
umbracoXsltExtensionExtension added: urn:Exslt.ExsltCommon, ExsltCommon0.00630760.001323
umbracoXsltExtensionExtension added: urn:Exslt.ExsltDatesAndTimes, ExsltDatesAndTimes0.00638540.000078
umbracoXsltExtensionExtension added: urn:Exslt.ExsltMath, ExsltMath0.00640270.000017
umbracoXsltExtensionExtension added: urn:Exslt.ExsltRegularExpressions, ExsltRegularExpressions0.00641790.000015
umbracoXsltExtensionExtension added: urn:Exslt.ExsltStrings, ExsltStrings0.00643550.000018
umbracoXsltExtensionExtension added: urn:Exslt.ExsltSets, ExsltSets0.00644990.000014
umbracoMacroAfter adding extensions0.00646360.000014
umbracoMacroBefore performing transformation0.00649940.000036
umbracoMacroAfter performing transformation0.00776550.001266
umbracoMacroMacro loaded from cache (ID: 1, Breadcrumb Nav)0.00782080.000055
renderMacroRendering started (macro: Breadcrumb Nav, type: 1, cacheRate: 0)0.00784150.000021
umbracoMacroBefore adding extensions0.00789790.000056
umbracoXsltExtensionExtension added: urn:Exslt.ExsltCommon, ExsltCommon0.00938540.001488
umbracoXsltExtensionExtension added: urn:Exslt.ExsltDatesAndTimes, ExsltDatesAndTimes0.00942020.000035
umbracoXsltExtensionExtension added: urn:Exslt.ExsltMath, ExsltMath0.0094360.000016
umbracoXsltExtensionExtension added: urn:Exslt.ExsltRegularExpressions, ExsltRegularExpressions0.00945090.000015
umbracoXsltExtensionExtension added: urn:Exslt.ExsltStrings, ExsltStrings0.00951190.000061
umbracoXsltExtensionExtension added: urn:Exslt.ExsltSets, ExsltSets0.00953470.000023
umbracoMacroAfter adding extensions0.00954930.000015
umbracoMacroBefore performing transformation0.0096250.000076
umbracoMacroAfter performing transformation0.01001030.000385
itemStart parsing 'questionText'0.01005730.000047
itemDone parsing 'questionText'0.01010470.000047
itemStart parsing 'bodyText'0.01013260.000028
itemDone parsing 'bodyText'0.01016530.000033
aspx.pageEnd Init0.01024120.000076
aspx.pageBegin InitComplete0.01025980.000019
aspx.pageEnd InitComplete0.01027350.000014
aspx.pageBegin PreLoad0.0102870.000014
aspx.pageEnd PreLoad0.01030360.000017
aspx.pageBegin Load0.01031730.000014
aspx.pageEnd Load0.01036290.000046
aspx.pageBegin LoadComplete0.01037880.000016
aspx.pageEnd LoadComplete0.01039260.000014
aspx.pageBegin PreRender0.01040580.000013
aspx.pageEnd PreRender0.01044950.000044
aspx.pageBegin PreRenderComplete0.01046440.000015
aspx.pageEnd PreRenderComplete0.01051790.000054
aspx.pageBegin SaveState0.01156090.001043
aspx.pageEnd SaveState0.01169820.000137
aspx.pageBegin SaveStateComplete0.01171780.000020
aspx.pageEnd SaveStateComplete0.01173250.000015
aspx.pageBegin Render0.01174610.000014
aspx.pageEnd Render0.01306770.001322

Control Tree

Control UniqueIDTypeRender Size Bytes (including children)ViewState Size Bytes (excluding children)ControlState Size Bytes (excluding children)
__PageASP.default_aspx817100
    ctl00ASP.masterpages_faqquestion_master000
        ctl00$ctl00ASP.masterpages_runwaymaster_master000
            ctl00$ctl00$ctl00ASP.umbraco_masterpages_default_master000
                ctl00$ctl00$ctl00$ContentPlaceHolderDefaultSystem.Web.UI.WebControls.ContentPlaceHolder000
                    ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl17System.Web.UI.LiteralControl000
                    ctl00$ctl00$ctl00$ContentPlaceHolderDefault$headSystem.Web.UI.HtmlControls.HtmlHead000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl00System.Web.UI.HtmlControls.HtmlTitle000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl01umbraco.presentation.templateControls.Item000
                                ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl01$ctl00System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl02System.Web.UI.HtmlControls.HtmlMeta000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl03System.Web.UI.HtmlControls.HtmlMeta000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl04System.Web.UI.HtmlControls.HtmlMeta000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl05System.Web.UI.HtmlControls.HtmlMeta000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl06System.Web.UI.HtmlControls.HtmlMeta000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl07System.Web.UI.HtmlControls.HtmlMeta000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl08System.Web.UI.HtmlControls.HtmlLink000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl09System.Web.UI.HtmlControls.HtmlLink000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl18System.Web.UI.ResourceBasedLiteralControl000
                    ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl19System.Web.UI.LiteralControl000
                    aspnetFormSystem.Web.UI.HtmlControls.HtmlForm000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl20System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl10System.Web.UI.WebControls.LoginStatus000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl10$ctl00System.Web.UI.WebControls.LinkButton000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl10$ctl01System.Web.UI.WebControls.ImageButton000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl10$ctl02System.Web.UI.WebControls.LinkButton000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl10$ctl03System.Web.UI.WebControls.ImageButton000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl21System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl11umbraco.presentation.templateControls.Macro000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl12System.Web.UI.WebControls.PlaceHolder000
                                ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl22System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl23System.Web.UI.ResourceBasedLiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl13umbraco.presentation.templateControls.Macro000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl14System.Web.UI.WebControls.PlaceHolder000
                                ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl24System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl25System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl15umbraco.presentation.templateControls.Macro000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl16System.Web.UI.WebControls.PlaceHolder000
                                ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl26System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl27System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$RunwayMasterContentPlaceHolderSystem.Web.UI.WebControls.ContentPlaceHolder000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$RunwayMasterContentPlaceHolder$ctl02System.Web.UI.LiteralControl000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$RunwayMasterContentPlaceHolder$ctl00umbraco.presentation.templateControls.Item000
                                ctl00$ctl00$ctl00$ContentPlaceHolderDefault$RunwayMasterContentPlaceHolder$ctl00$ctl00System.Web.UI.LiteralControl000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$RunwayMasterContentPlaceHolder$ctl03System.Web.UI.LiteralControl000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$RunwayMasterContentPlaceHolder$ctl01umbraco.presentation.templateControls.Item000
                                ctl00$ctl00$ctl00$ContentPlaceHolderDefault$RunwayMasterContentPlaceHolder$ctl01$ctl00System.Web.UI.LiteralControl000
                            ctl00$ctl00$ctl00$ContentPlaceHolderDefault$RunwayMasterContentPlaceHolder$ctl04System.Web.UI.LiteralControl000
                        ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl28System.Web.UI.ResourceBasedLiteralControl000
                    ctl00$ctl00$ctl00$ContentPlaceHolderDefault$ctl29System.Web.UI.ResourceBasedLiteralControl000

Session State

Session KeyTypeValue

Application State

Application KeyTypeValue
vnc38ykjnkjdnk2jt98ygkxjngSystem.DateTime1/20/2020 9:36:13 PM
umbracoUrlSystem.String64.27.51.218:80/umbraco
umbracoNeedConfigurationSystem.BooleanFalse

Request Cookies Collection

NameValueSize

Response Cookies Collection

NameValueSize

Headers Collection

NameValue
ConnectionKeep-Alive
Accepttext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encodingbr,gzip
Accept-Languageen-US,en;q=0.5
Hostwww.manicsalamander.com
If-Modified-SinceFri, 06 Dec 2019 09:02:01 CET
User-AgentCCBot/2.0 (https://commoncrawl.org/faq/)

Response Headers Collection

NameValue
X-AspNet-Version2.0.50727
Cache-Controlprivate
Content-Typetext/html

Form Collection

NameValue

Querystring Collection

NameValue

Server Variables

NameValue
ALL_HTTPHTTP_CONNECTION:Keep-Alive HTTP_ACCEPT:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 HTTP_ACCEPT_ENCODING:br,gzip HTTP_ACCEPT_LANGUAGE:en-US,en;q=0.5 HTTP_HOST:www.manicsalamander.com HTTP_IF_MODIFIED_SINCE:Fri, 06 Dec 2019 09:02:01 CET HTTP_USER_AGENT:CCBot/2.0 (https://commoncrawl.org/faq/)
ALL_RAWConnection: Keep-Alive Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Encoding: br,gzip Accept-Language: en-US,en;q=0.5 Host: www.manicsalamander.com If-Modified-Since: Fri, 06 Dec 2019 09:02:01 CET User-Agent: CCBot/2.0 (https://commoncrawl.org/faq/)
APPL_MD_PATH/LM/W3SVC/366/ROOT
APPL_PHYSICAL_PATHC:\HostingSpaces\manicsal\manicsalamander.com\wwwroot\
AUTH_TYPE 
AUTH_USER 
AUTH_PASSWORD 
LOGON_USER 
REMOTE_USER 
CERT_COOKIE 
CERT_FLAGS 
CERT_ISSUER 
CERT_KEYSIZE 
CERT_SECRETKEYSIZE 
CERT_SERIALNUMBER 
CERT_SERVER_ISSUER 
CERT_SERVER_SUBJECT 
CERT_SUBJECT 
CONTENT_LENGTH0
CONTENT_TYPE 
GATEWAY_INTERFACECGI/1.1
HTTPSoff
HTTPS_KEYSIZE 
HTTPS_SECRETKEYSIZE 
HTTPS_SERVER_ISSUER 
HTTPS_SERVER_SUBJECT 
INSTANCE_ID366
INSTANCE_META_PATH/LM/W3SVC/366
LOCAL_ADDR64.27.51.218
PATH_INFO/default.aspx
PATH_TRANSLATEDC:\HostingSpaces\manicsal\manicsalamander.com\wwwroot\default.aspx
QUERY_STRING 
REMOTE_ADDR3.229.142.175
REMOTE_HOST3.229.142.175
REMOTE_PORT54600
REQUEST_METHODGET
SCRIPT_NAME/default.aspx
SERVER_NAMEwww.manicsalamander.com
SERVER_PORT80
SERVER_PORT_SECURE0
SERVER_PROTOCOLHTTP/1.1
SERVER_SOFTWAREMicrosoft-IIS/7.5
URL/default.aspx
HTTP_CONNECTIONKeep-Alive
HTTP_ACCEPTtext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_ACCEPT_ENCODINGbr,gzip
HTTP_ACCEPT_LANGUAGEen-US,en;q=0.5
HTTP_HOSTwww.manicsalamander.com
HTTP_IF_MODIFIED_SINCEFri, 06 Dec 2019 09:02:01 CET
HTTP_USER_AGENTCCBot/2.0 (https://commoncrawl.org/faq/)

Microsoft .NET Framework Version:2.0.50727.8806; ASP.NET Version:2.0.50727.8762