Electrical Work. On-site portable electrical apparatus and electric lighting are preferred to be supplied at 110 volts by means of mains isolation transformers with the secondary wiring centre tapped to earth. If for any reason this is not practicable, safe working procedures must be agreed with the Trustees.
Appears in 3 contracts
Electrical Work. On-site portable electrical apparatus and electric lighting are preferred to be supplied at 110 volts by means of mains isolation transformers with the secondary wiring centre tapped to earth. If for any reason this is not practicable, safe working procedures must be agreed with the Trustees.V&A.
Appears in 2 contracts
Samples: Contract, data.gov.uk