What precautions should be taken in the maintenance shop where both lead-acid and nickel-cadmium batteries are serviced?

• A. They should be stored together
• B. They should be kept separate, and the tools from one should not be used on the other
• C. They should be kept separate but can share tools
• D. They should be used in sequence

Answer: (B)

When servicing different battery chemistries, keep them physically separated and use dedicated tools for each type. Lead-acid batteries contain sulfuric acid, while nickel-cadmium batteries use a potassium hydroxide electrolyte. If the same tools or work surfaces are used on both kinds, residues from one chemistry can contaminate the other, leading to corrosion, improper charging, or unexpected chemical reactions. Also, cross-contamination can create hazardous conditions for maintenance personnel and complicate safety procedures tailored to each battery type. Storing and working with each chemistry separately and using only their designated tools minimizes these risks and keeps maintenance practices aligned with the specific safety requirements of each battery.