Which NFPA Standard addresses oil-filled transformers?

Which NFPA Standard addresses oil-filled transformers?

• A. 70
• B. 70A
• C. 70B
• D. 72

Answer: (A)

Oil-filled transformers are part of electrical equipment, so the safety and installation rules that govern them come from the National Electrical Code. This code sets the requirements for electrical design, wiring, clearances, protection, and fire safety in electrical installations, including transformers. In particular, it includes provisions for transformers and oil-immersed equipment under its articles, guiding how they should be installed, vented, protected, and separated from other hazards to prevent fires and equipment failures. The other NFPA standards serve different purposes. A maintenance-focused standard covers inspection and upkeep of electrical equipment rather than initial installation and safety design for oil-filled transformers. A fire code standard addresses general fire protection and life safety in buildings, not the specific electrical installation requirements for transformers. The fire alarm signaling code covers alarms and signaling systems, not transformer installation. So the standard that directly addresses oil-filled transformers in terms of design and installation is the National Electrical Code.

Oil-filled transformers are part of electrical equipment, so the safety and installation rules that govern them come from the National Electrical Code. This code sets the requirements for electrical design, wiring, clearances, protection, and fire safety in electrical installations, including transformers. In particular, it includes provisions for transformers and oil-immersed equipment under its articles, guiding how they should be installed, vented, protected, and separated from other hazards to prevent fires and equipment failures.

The other NFPA standards serve different purposes. A maintenance-focused standard covers inspection and upkeep of electrical equipment rather than initial installation and safety design for oil-filled transformers. A fire code standard addresses general fire protection and life safety in buildings, not the specific electrical installation requirements for transformers. The fire alarm signaling code covers alarms and signaling systems, not transformer installation. So the standard that directly addresses oil-filled transformers in terms of design and installation is the National Electrical Code.