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Apartment electrical wiring: A cause of extremely low frequency magnetic field exposure in residential areas
Author(s) -
Moriyama Kosei,
Yoshitomi Kuniaki
Publication year - 2005
Publication title -
bioelectromagnetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.435
H-Index - 81
eISSN - 1521-186X
pISSN - 0197-8462
DOI - 10.1002/bem.20099
Subject(s) - apartment , bioelectromagnetics , extremely low frequency , environmental science , magnetic field , forensic engineering , engineering , physics , civil engineering , quantum mechanics
Extremely low frequency (ELF) magnetic fields (MFs) were measured at 696 points in a room of a Japanese apartment building. The building had 124 rooms with layouts and wiring identical to those of the studied room. ELF‐MFs exceeded 0.4 μT in 24% of the living space, and the maximum value, 1.8 μT, was detected at floor level. Analysis of the MF distribution revealed that 60 Hz 100 V electrical wiring for room lights within the floor and ceiling had been laid out in large rectangles, equivalent to 1 turn coils. Further plotting of the vertical components every 0.01 m on the floor indicated that the depth of the cable was 0.23 m. Further studies should be conducted in order to confirm that the building investigated in this pilot study is typical of Japanese apartment buildings in terms of ELF‐MFs. Bioelectromagnetics 26:238–241, 2005. © 2005 Wiley‐Liss, Inc.

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