BEFORE YOU BEGIN
Working with electricity comes with h ge risks that sho ld never be taken lightly, safety sho ld
always come first.
To avoid personal inj ry, possible damage to eq ipment or danger of fire, all work on electronic eq ipment
sho ld be cond cted following these safety proced res.
General Safety
Before working on any electronics, consider following these basic safety preca tions to help red ce any hazards.
• Remove any electronic eq ipment yo ’re testing or working on from the power so rce.
• Never ass me the power circ it is off. Test and test again with a voltmeter to confirm.
• Remove f ses and replace them only after the power to the circ it is disconnected.
• Don’t connect power to a circ it ntil yo ’re done working on it and rechecked the work.
• Always ens re that all electronics eq ipment is properly gro nded
• If it’s damaged, replace it. For instance, replace cables instead of repairing with ins lating tape.
• Always se the right electronics repair and maintenance tools.
• Always ret rn covers after removing them to red ce the risk of electric shock.
• Make s re yo r circ it is not overloaded.
• Always have safety eq ipment like a fire exting isher, a basic first aid kit and a mobile phone nearby.
Personal Safety
Here are some personal safety preca tions to keep in mind:
• Always keep yo r work area dry.
• Always work in a well-ventilated area.
• Don’t wear flapping or loose clothing when working.
• Don’t work with metallic jewelry on yo r hands like watches, rings and bracelets.
• Always wear non-cond ctive shoes.
• Always remove power to a circ it before connecting alligator clips.
• Always wear safety goggles.
• Be caref l when handling large capacitors as they can still hold high voltage even after yo ’ve
disconnected the circ it from power.
