B011 Electronics


No eating or drinking. Three horizontal lines representing a sandwich alongside a cup with straw.
No Food or Drink 

Food and drink consumption is prohibited.

General prohibition sign. Red circle with diagonal slash.

No Lone Working

Users of the space must always have at least one buddy.

Personal Protective Equipment (PPE)

Wear eye protection. Human head (front view) wearing eye protection.

Safety Glasses

Safety glasses must be worn at all times. For example, wires being cut, PCBs milled, or chemicals used can create unexpected hazards.

Wear protective gloves. Two protective gloves, one shown in front, the other shown behind (outlined).
Protective Gloves 

Nitrile protective gloves must be worn while handling hazardous materials such as solder, fiberglass PCBs, chemicals, or other electronic debris.


Warning; Hot surface. Three parallel, vertical, s-shaped lines above a horizontal straight line.

Hot Surfaces

Soldering irons, hot air guns, preheating plates, and reflow ovens generate significant amounts of heat and regularly exceed temperatures of 200 degrees Celsius during operation. Similarly, many electrical components can become hot when powered on.
Warning; Toxic material. Skull (outlined), behind it two crossed bones (outlined).
Poisonous Substances
Solder and solder paste contain lead and other heavy metals which are toxic. Appropriate PPE and fume mitigation should be used when soldering. Additionally, many circuit boards contain fiberglass or other compounds with toxic properties and should be handled with caution.
Warning; Crushing of hands. Hand between two horizontal lines, vertical arrow pointing downwards.

Entanglement & Pinching

Rotating machinery in the lab may present entanglement and pinching hazards during operation. This includes the PCB mill spindles and vacuum pumps.
Warning; Oxidizing substance. Flame, circle, horizontal line.
Combustible & Flammable Materials 
Many of the materials frequently utilized in the space present flammability hazards, especially when using alcohol or ethanol-based cleaners or heated tools such as soldering irons.
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