Category: Life

what is white wire in electrical ?

Asked By: luobo1689 | Last Updated: 2022-05-03

what is white wire in electrical?

查看全部(function(){
(this||self).cVrhhd=function(b,e,q,a,h,k,r){if((b=document.getElementById(b))&&(0!==b.offsetWidth||0!==b.offsetHeight)){var l=b.querySelector("div"),m=l.querySelector("div"),c=0,g=Math.max(l.scrollWidth-l.offsetWidth,0);if(0<e){var n=m.children;c=n[e].offsetLeft-n[0].offsetLeft;if(a){for(var p=c=0;p<e;++p)c+=n[p].offsetWidth;c=Math.min(g,c)}}c+=q;e=Math.min(a?g-c:c,g);l.scrollLeft=a&&(h||r)?c:a&&k?-c:e;var d=b.getElementsByTagName("g-left-button")[0],f=b.getElementsByTagName("g-right-button")[0];d&&f&&(h=RegExp("\\btHT0l\\b"),k=RegExp("\\bpQXcHc\\b"),d.className=d.className.replace(h,""),f.className=f.className.replace(h,""),d.className=0===e?"pQXcHc "+d.className:d.className.replace(k,""),f.className=e===g?"pQXcHc "+f.className:f.className.replace(k,""),0<=d.className.indexOf("SL0Gp")&&0===e&&e===g&&(m.style.paddingLeft="0px",m.style.paddingRight="0px",d.style.display="none",f.style.display="none",b.style.paddingLeft=a?"0px":"48px",b.style.paddingRight=a?"48px":"0px",b.style.textAlign=a?"left":"right",(a=document.getElementById("fade_forward"))&&(a.style.display="none"),(a=document.getElementById("fade_reverse"))&&(a.style.display="none")),setTimeout(function(){d.className+=" tHT0l";f.className+=" tHT0l"},50))}};}).call(this);(function(){var id='_FxlwYrzWJr2fkPIP0J2rqAY23';var index=0;var offset=0;var is_rtl=false;var is_ie=false;var is_gecko=false;var is_edge=false;var init='cVrhhd';window[init](id,index,offset,is_rtl,is_ie,is_gecko,is_edge);})();The white wire is the "neutral" wire, it takes any unused electricity and current and sends it back to the breaker panel. The green wire (or it can sometimes be uncolored) wire is the "ground" wire, it will take electricity back to the breaker panel, then outside to a rod that's buried in the ground.2021年9月29日

One may also ask,Is a white wire a positive or negative?

Recognize that the black wire is the positive one, the white wire is the negative one, and the green wire is the ground. You may see a copper wire instead of a green wire for the ground.

Also asked,Which is the live wire black or white?

US AC power circuit wiring color codes The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active.

Long,Does the white wire carry power?

White or gray wires indicate neutral charged wires. However, neutral wires may carry power and pose a danger of electrocution if not handled properly. White and gray wires carry power back to the service panel. Both hot and neutral wires have the potential to shock and injure you if not handled properly.

Subsequently, question is,Which wire is positive in a home?

black wireThe black wire is positive, the white wire is negative, and the green wire is the ground.

Related Question Answers Found

Is the white wire hot?

Here's a rundown of electrical wires: The black wire is the "hot" wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the "neutral" wire, it takes any unused electricity and current and sends it back to the breaker panel.

What happens if you connect a black wire to a white wire?

What happens if black and white wires touch? First of all, nothing will happen, if the two wires aren't connected to any power source. Therefore, you won't have much to worry about. Even if you just let the bare wires touch each other, you'll encounter a short circuit.

Which plug is hot neutral?

The high voltage (about 120 volts effective, 60 Hz AC) is supplied to the smaller prong of the standard polarized U.S. receptacle. It is commonly called the "hot wire". If an appliance is plugged into the receptacle, then electric current will flow through the appliance and then back to the wider prong, the neutral.

Is white wire a line or load?

The easiest way of identifying the line/hot and load wires is to check the colors of the insulation. White and grey wires are neutral; green with yellow stripes, green and copper are ground wires, black can be line/upstream wire, red or black are load/downstream.

Is white positive or negative 12v?

Automotive industry wiring standard is: red = positive (+), black = negative (-). RV industry 12 volt wiring standard is: black = positive (+), white = negative (-).

Why are there two white wires and two black wires?

So, why are there two black and two white wires in your outlet box? There are two black and two white wires in an outlet box because the outlet is in the middle of a series circuit, accepting power from another source and sending it on. Two cables are hot wires, bringing the power in and carrying it onward to the next.