Common use of Transformers and Switchboards Clause in Contracts

Transformers and Switchboards. Each unit of switchgear and transformer shall be adequately and permanently labelled at the front and at the rear with labels of two colours plastic material, matt or semi-matt finished. Labels shall have black lettering on a white background. Circuit identification labels shall be provided at the front and at the rear of all units. An identical label shall be fitted to the front of all withdrawable moving portions and to the relevant fixed part. All components such as switches, fuses, relays and other devices, whether mounted inside or on the surface of the compartments, shall have identifying labels which shall be related to the identifying references on the arrangement drawings and wiring diagrams. For secondary fuses the current rating of the fuse link shall be shown on the label. Danger or warning labels shall comply with Clause 20.2 (Warning and Danger Notices). They shall not be mounted on removable parts. So far as reasonably possible, labels and the lettering thereof shall comply with the approximate dimensions given below: Equipment Label Size (mm) Lettering (mm) Main labels on panels, cubicles, kiosks, junction and control boxes and similar equipment 125 x 50 20 x 1.5 Control and changeover switches and similar items 70 x 30 12 x 1.5 Fuses and links 35 x 15 5 x 1

Transformers and Switchboards. Each unit of switchgear and transformer shall be adequately and permanently labelled at the front and at the rear with labels of two colours plastic material, matt or semi-matt finished. Labels shall have black lettering on a white background. Circuit identification labels shall be provided at the front and at the rear of all units. An identical label shall be fitted to the front of all withdrawable moving portions and to the relevant fixed part. All components such as switches, fuses, relays and other devices, whether mounted inside or on the surface of the compartments, shall have identifying labels which shall be related to the identifying references on the arrangement drawings and wiring diagrams. For secondary fuses the current rating of the fuse link shall be shown on the label. Danger or warning labels shall comply with Clause 20.2 (Warning and Danger Notices). They shall not be mounted on removable parts. So far as reasonably possible, labels and the lettering thereof shall comply with the approximate dimensions given below: Equipment Label Size (mm) Lettering (mm) Main labels on panels, cubicles, kiosks, junction and control boxes and similar equipment 125 x 50 20 x 1.5 Control and changeover switches and similar items 70 x 30 12 x 1.5 Fuses and links 35 x 15 5 x 1 Relays and contactors 60 x 20 5 x 1

Transformers and Switchboards. Each unit of switchgear and transformer shall be adequately and permanently labelled at the front and at the rear with labels of two colours plastic material, matt or semi-matt finished. Labels shall have black lettering on a white background. Circuit identification labels shall be provided at the front and at the rear of all units. An identical label shall be fitted to the front of all withdrawable moving portions and to the relevant fixed part. All components such as switches, fuses, relays and other devices, whether mounted inside or on the surface of the compartments, shall have identifying labels which shall be related to the identifying references on the arrangement drawings and wiring diagrams. For secondary fuses the current rating of the fuse link shall be shown on the label. Danger or warning labels shall comply with Clause 20.2 (Warning and Danger Notices). They shall not be mounted on removable parts. So far as reasonably possible, labels and the lettering thereof shall comply with the approximate dimensions given below: Equipment EQUIPMENT Label Size (mm) Lettering (mm) Main labels on panelsMAIN LABELS ON PANELS, cubiclesCUBICLES, kiosksKIOSKS, junction and control boxes and similar equipment JUNCTION AND CONTROL BOXES AND SIMILAR EQUIPMENT 125 x 50 20 x 1.5 Control and changeover switches and similar items CONTROL AND CHANGEOVER SWITCHES AND SIMILAR ITEMS 70 x 30 12 x 1.5 Fuses and links FUSES AND LINKS 35 x 15 5 x 1