Foundation Radio Amateur Licence - BDARS Online Syllabus
Sources of danger: mains, power supplies and high current batteries.
Recall that high voltages carry a risk of electrocution and high currents carry a risk of overheating and fire.
Recall why mains powered equipment should have a safety earth. Recall that special care is needed with earthing arrangements if your house has PME. Recall that details of PME earthing can be obtained from the local electricity supply company and are covered in a separate leaflet.
Recall that a correct fuse must be fitted to all electrical equipment. And that this is in the live wire of mains powered equipment and according to the manufacturers’ instructions in low powered equipment.
Recall only to work inside equipment that is disconnected from the mains.
Recall the correct way to wire a 3-pin mains plug.
Understand the need for a clearly marked switch to turn off all station equipment in case of emergency.
Actions to be taken and avoided in the event of an accident
Recall that, in the event of an accident involving electricity, the first action is to switch off the power.Recall that the casualty must not be touched unless the power has been switched off.
Station layout and tidiness
Understand the reasons for not to having wires trailing across the floor. Trip hazard and the risk of frayed insulation.
Recall that elevated wires and antennas must be suitably located and secured.
Recall that antennas and feeders should not be sited close to overhead power cables.
Recall that antenna erection is potentially hazardous and that it is advisable to have someone to help you.Understand the need for at least one adult to be present.
Recall that antenna elements should not be touched whilst transmitting and should be mounted to avoid accidental contact.Note: this does not apply to low powered devices such as hand-held equipment.
Recall that particularly high antennas may need special protection against lightning.
Safe use of headphones
Recall that excessive volume when wearing headphones can cause damage to hearing.