KLS Martin group marLED E3 - Page 148

Service Manual
Operating Lights marLED® E3, E9, E9i, E15, battery and
marLED® E3 on ceiling tube Ø 110 mm
148 Revision 2
marLED® E3 as part of a light system
1
Mains cable
4
Measuring leads
2
Central equipotential bonding terminal
5
Externally accessible protective conductor
3
Measuring instrument
Repeat measurements
• Identify the nearest externally accessible protective conductor (5) as specified in the inspection plan.
Enter the location into the Test Report sheet.
• Measure the resistance between the externally accessible protective conductor (5) and the locations
indicated in the illustration.
Enter the highest value into the Test Report sheet.
• From this value, subtract the resistance value between the externally accessible protective
conductor (5) and the main protective conductor connection (2) as documented in the inspection plan.
The result must be lower than 0.3 Ω.