Indeed, as my very old black and white illustrated book "Electricity" by The Bennett College states, the requirements of the I.E.E. must be met, but some consulting engineers and local authorities have there own requirements for insulation resistance values.
Indeed, as my very old black and white illustrated book "Electricity" by The Bennett College states, the requirements of the I.E.E. must be met, but some consulting engineers and local authorities have there own requirements for insulation resistance values.
