EQUIPMENT GROUNDING SCENARIO FOR UNGROUNDED DELTA SYSTEMS

[bobby ocampo]

GIVEN: Line to Line voltage is 240 volts
EXHIBIT 1. Will the person touching the metal panel be electrocuted without a single line to ground fault?
EXHIBIT 2. Will the person touching the metal panel be electrocuted on a single line to ground fault if the metal panel is not grounded or there is no EGC?
EXHIBIT 3. A. Will the person touching the metal panel be electrocuted if there is an EGC?
B. Will the person touching the metal panel be electrocuted even if the OCPD will not trip?
EXHIBIT 4. A. Will the person touching the metal panel be electrocuted if there is an EGC and the metal panel is connected to earth or ground?
B. Will the person touching the metal panel be electrocuted even if the OCPD will not trip?
EXHIBIT 5. A. Will the person touching the metal panel be electrocuted if connection to earth is only in the metal panel and no EGC?
B. Will the person touching the metal panel be electrocuted even if the OCPD will not trip?
EXHIBIT 6. Will the person touching the metal panel be electrocuted if the system is CORNER GROUNDED DELTA?
PLEASE EXPLAIN YOUR ANSWERS

 

[roger]

Sorry, you've worn this out.