1. Spark between cable and equipment.
2. Damage of cable lugs.
3. Heating of any insulation nearby.
4. Can ignite any inflammable material near by
5. Voltage reduction between the terminals etc.
Indicates serious corrosion and electrical reliability
Electrician of London, specialize in testing and installations with over 15 years experience in London area | Electrician East London | 020 8252 9789 |email@example.com