Asad Brothers Engineering Services (ABES)also undertakes Earthing works in Offices, Industries and also in GSM services. We provide all types of Earthing as per required standard and provides complete warranty period. Following are our standards:
” Grounding works to provide earth to less than 1 Ohms
” Installation of earth PIT
” Supply and installation of earth cable as per standard
” Supply and installation of copper rope
” Supply and installation of copper bas bars as per dimension
” Supply and installation of lighting spike
” Supply and installation of Earthing Material
An earth ground connection of the exposed conductive parts of electrical equipment helps protect from electric shock by keeping the exposed conductive surface of connected devices close to earth potential, when a failure of electrical insulation occurs. When a fault occurs, current flows from the power system to earth. The current may be high enough to operate the over current protection fuse or circuit breaker, which will then interrupt the circuit. To ensure the voltage on exposed surfaces is not too high, the impedance (resistance) of the connection to earth must be kept low relative to the normal circuit impedance.
An alternative to protective earthing of exposed surfaces is a design with “double insulation” or other
precautions, such that a single failure or highly probable combination offailures cannot result in contact between live circuits and the surface. For example, a hand-held power tool might have an extra system of electrical insulation between internal components and the case of the tool, so that even if the insulation for the motor or switch fails, the tool case is not energized.
FUNCTIONAL EARTHING: A functional earth connection serves a purpose other than electrical safety, and may carry current as part of normal operation. For example, in a single-wire earth return power distribution system, the earth forms one conductor of the circuit and carries all the load current. Other examples of devices that use functional earth connections include surge suppressors and electromagnetic interference filters