Findings library
Loose neutral connection at a house panel
Significant heating at the main neutral connection of a house panel supplying life safety equipment in a multifamily property.
SeriousHover or tap the image to compare the visual photo
EquipmentHouse panel neutral
IndustryMultifamily Housing
Problem typeLoose connection
Possible causeLoose Connection(s)
Maximum temperature142.4°F
Temperature rise92.4°F
Voltage240V
Ambient50°F
What was found
The main neutral connection supplying life safety related equipment exhibited significant heating.
Why it mattered
This neutral connection supplied life safety related equipment for the apartment community.
Potential consequences
Failure could affect the fire alarm system and exterior lighting serving the property.
Recommendation
Inspect, disassemble, clean and reassemble to proper component torque.
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