Identify the neutral wire in the fixture by looking at the wires. In most modern fixtures the neutral wire will be white and the hot wire is red or black. In some types of fixtures, both wires will be the same color. In this case, the neutral wire is always identified by some means. In some cases, there will be small writing on the wiring case.
In others, there are small ridges or indentations on the insulation. If you are removing an old fixture, look at the wiring that is in place. This can give you an extra visual cue to the neutral wire. If the house if very old and has aluminum wiring, then this is no longer a do-it-yourself project. Hope you don't mind that I made your answer more prettier. You did not say which countries this applies to. I can assure you this is not acceptable in a few countries.
Please add your own country specific answer. This is good enough Please note though Obviously both would fail an electrical inspection and could put your home insurance into a void clause.
Piotr Kula Piotr Kula 5, 18 18 silver badges 31 31 bronze badges. I'd suggest using "electrical tape" of the proper color instead of the transparent tape.
Electrical tape will have been approved for use in electrical boxes. In the United States, the neutral would get white tape and the line would get black or some other non-green color — Pigrew. Its a good idea BUT it requires the OP to go and buy that coloured tape for single use only : I suppose contractors use this tape in the US allot since you say its approved. In EU Countries that wont pass at all.
And when I did my NVQ there was no mention of this either in the Home Building regulations South Africa - It might be omitted if it was a "temporary" cable ran on top of the plaster and not inside condiut or "fixed" in to the structure of the house. But I cant comment on that. The only color of electrical tape you need in the U. You can't use a black wire that you put white tape on as a neutral.
Commonly used for light switches — Brad Gilbert. Andy Andy 11 1 1 bronze badge. I can't tell if you're asking or answering due to your inclusion of "Sound correct? I'm in Canada. Nalga Palida Nalga Palida 11 1 1 bronze badge. Featured on Meta. Now live: A fully responsive profile.
Version labels for answers. Linked 0. Related 2. Hot Network Questions. Question feed. Ribbed , grooved or striped side is grounded neutral , smooth side is ungrounded hot. You never want the thread shell to be hot switch in off position in the neutral side with intact filament. Kip Dohms Explainer. Is the wire with the writing positive or negative?
Does it matter which wire goes where on a lamp? Remember when repairing lamps , the neutral wire in the lamp cord is marked usually with a rib or ribs and it connects to the wide blade of the plug at one end and to the neutral screw usually silver but may have some other identification at the other end.
Cathi Fuchslocher Pundit. Which wire is hot if both are black? Junyong Bakai Pundit. How do I know which wire is neutral? Cebria Ulind Pundit.
How can you tell if a wire is live? You can use either a current tester or a voltage meter to determine if an electrical cable is hot. Keep in mind that it is possible for more than one wire to be live. Touch the tip of the meter or tester to the screw where the wires are attached.
Go slowly and keep your eyes and ears open. Kheireddine Hildebrant Pundit. Which wire on an extension cord is hot? The hot wire is always smooth on the outside of the cord , while the neutral wire is ribbed on the outside. For flat cords with polarized plugs on the end, the larger prong or terminal is the neutral wire. Fariza Cozinheiro Teacher. Is Neutral positive or negative? The Importance of Neutral Wire. Nebil Alcusta Teacher. Which wire goes to the wide prong?
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