The colour code used for hose pipe for oxygen line is _______
Black
In medical and industrial settings, standardisation of equipment is crucial for safety, especially when dealing with gases. Different gases are assigned specific colour codes for cylinders, pipelines, and associated equipment like hose pipes. This colour coding helps users quickly identify the type of gas being handled, preventing potentially dangerous mix-ups.
Various international and national standards dictate these colour codes to ensure consistency. For example, standards like ISO 32 or colour codes specific to regions (like the UK or USA) specify these conventions.
According to common standards for medical gases, the colour code for equipment associated with oxygen supply lines, including hose pipes, is distinct and universally recognised to prevent errors.
Based on widely accepted standards for medical gas identification:
The standard colour code for hose pipes designated for oxygen lines is Black. This colour helps differentiate oxygen lines from those carrying other gases like air, nitrous oxide, or carbon dioxide, each of which has its own specific colour code.
Proper colour coding of gas lines and equipment is a fundamental safety measure. It helps prevent:
Always verify the gas type using labels and markings in addition to the colour code for maximum safety.
| Medical Gas | Colour Code (Pipeline/Hose) | Cylinder Body Colour (Typical) | Cylinder Shoulder Colour (Typical) |
|---|---|---|---|
| Oxygen (O<sub>2</sub>) | Black | White | White |
| Medical Air | White | Grey | Black & White Quarters |
| Nitrous Oxide (N<sub>2</sub>O) | Blue | Blue | Blue |
| Carbon Dioxide (CO<sub>2</sub>) | Grey | Grey | Grey |
| Helium (He) | Brown | Brown | Brown |
| Heliox (He/O<sub>2</sub>) | Brown & Black | Brown & White | Brown & White |
Medical gas systems and equipment are governed by strict standards (e.g., ISO 7396 series, national pharmacopoeias, regional standards like HTM 02-01 in the UK, or NFPA 99 in the USA). These standards cover various aspects including:
Understanding and adhering to these standards, including the correct colour coding for oxygen lines and other gases, is essential for ensuring patient safety and operational efficiency in healthcare facilities. Regular training and awareness of staff handling medical gases are also critical components of a robust safety protocol.
Which of the following equipment is used in arc welding?
The electrodes are manufactured in two standard lengths namely:
The simplest type of a seam is a ___________.
What is the colour of Argon cylinder?

Which type of welding is indicated with this symbol?
Gas welding is also known as:
The inner core of the flame in gas welding has _______ temperature
What combination and proportion of gases will be used to set a neutral flame in gas welding?
What is the color of an oxygen gas cylinder?
A process of joining similar metals by application of heat with or without application of pressure and addition of filter material is called ______
The flame which contains excess oxygen than theoretical required:
In which of the following welding techniques is heat primarily generated by a highly concentrated beam of coherent light?
In gas welding, the inclination of the blow pipe with respect to the plate in Leftward welding is-
Which one among the following welding processes uses non-consumable electrode?
Submerged arc welding, an automatic welding process uses AC current up to