Potential Safety Hazard in Terrace Houses with Foundation Grounding Scheme

• Main Authors: Toh C.L., Toh L.S., Leong K.W.
• Other Authors: 8690228000
• Format: Conference Paper
• Published: Institute of Electrical and Electronics Engineers Inc. 2024
• Subjects: earth loop impedance; earth resistance; equipotential bonding; foundation grounding system; residual current circuit breaker; Electric circuit breakers; Electric resistance; Houses; Overcurrent protection; Timing circuits; Circuit-breakers; Current circuits; Earth loop impedance; Earth loops; Earth resistance; Equipotential bonding; Foundation grounding system; Grounding systems; Loop impedance; Residual current; Residual current circuit breaker; Electric grounding

A low value of earth impedance may introduce sufficiently high fault current to activate the overcurrent protective device in order to clear the ground fault. Therefore, majority of the terrace houses projects use common ground slab steelwork as earth electrode to achieve low earth impedance. This e...