6c. That wire size is at least as large asthe one specified in the table below.9. Do not operate charger with damagedcord or plug - replace them immediately.10. Do not operate charger if it has received asharp blow, been dropped, or otherwisedamaged in any way; take it to a qualifiedserviceman.11. Do not disassemble charger or batterycartridge; take it to a qualified servicemanwhen service or repair is required, Incor-rect reassembly may result in a risk ofelectric shock or fire.12. To reduce risk of electric shock, unplugcharger from outlet before attempting anymaintenance or cleaning. Turning off con-trols will not reduce this risk.13. The battery charger is not intended foruse by young children or infirm personswithout supervision.14. Young children should be supervised toensure that they do not play with the bat-tery charger.15. If operating time has become excessivelyshorter, stop operating immediately. Itmay result in a risk of overheating, possi-ble burns and even an explosion.16. If electrolyte gets into your eyes, rinsethem out with clear water and seek medi-cal attention right away. It may result inloss of your eyesight.ADDITIONAL SAFETY RULES FOR CHARGER &BATTERY CARTRIDGE1. Do not charge Battery Cartridge whentemperature is BELOW 10°C (50°F) orABOVE 40°C (104°F).2. Do not attempt to use a step-up trans-former, an engine generator or DC powerreceptacle.3. Do not allow anything to cover or clog thecharger vents.4. Always cover the battery terminals withthe battery cover when the battery car-tridge is not used.5. Do not short the battery cartridge:(1) Do not touch the terminals with anyconductive material.(2) Avoid storing battery cartridge in acontainer with other metal objectssuch as nails, coins, etc.(3) Do not expose battery cartridge towater or rain.A battery short can cause a large currentflow, overheating, possible burns andeven a breakdown.6. Do not store the tool and Battery Car-tridge in locations where the temperaturemay reach or exceed 50°C (122°F).Table 1: RECOMMENDED MINIMUM AWG SIZE FOR EXTENSION CORDS FOR BATTERY CHARGERSLength of Cord (Feet) 25 50 100 150AWG Size of Cord 18 18 18 16