RCDD TEST 2026 TDMMV14 | EXAM (LATEST) || MOST
RECENT EXAM 2026|2027 ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+ |
Grounding/bonding disturbances can result in -ANSWERS-death or
injury
Ground SBB to nearest (& 2 locations) -ANSWERS-AC panel (ER/TR)
2 grounding methods for TR -ANSWERS-AC panel / structural steel
Ground every ________ floor pedestal -ANSWERS-Fourth
2 bonding connection types -ANSWERS-Exothermic & compression
Grounding/bonding (standard) -ANSWERS-607-B
PBB (size & room located) -ANSWERS-4"W x 0.25" thick / EF
TBC (acronym) -ANSWERS-Telecom Bonding Conductor
Bonding conductor (size/max length) -ANSWERS-#6AWG / 100 ft max
,SBB (acronym) -ANSWERS-Secondary Bonding Busbar
SBB (size) -ANSWERS-2"Wx0.25" thick
PBB reference -ANSWERS-AC electrical panel board
PBB TBC max length -ANSWERS-30ft
Bonding connections coated with -ANSWERS-anti-corrosion gel
Cone of protection APEX (def) -ANSWERS-Object typically struck by
lightning
Surveillance camera termination (type) -ANSWERS-RJ45
Exothermic weld (locations) -ANSWERS-PBB & structural steel both
allowed. PBB more common.
TBB (acronym) -ANSWERS-Telecom bonding backbone
TBB (disadvantage) -ANSWERS-Costly (home run to PBB)
,Ground conductor impedance b/t 2 points (measurement) -ANSWERS-
0.1 ohms
Bonding connector (2 types) -ANSWERS-Exothermic, compression
Ground strikes (dist) -ANSWERS-6-20 ft
(Photo) two story -ANSWERS-Zone of protection (2 stories)
(Photo) one story -ANSWERS-Cone of protection (1 story)
ITS designer uses (decision making) -ANSWERS-Good
judgement/experience
How to label 5' conduit -ANSWERS-2x, each side, permanent
Ohms law = -ANSWERS-V=IR; (I=V/R, R=V/I)
I, V, R (def & measured in) -ANSWERS-Current (amps), voltage (volts),
resistance (ohms)
(Photo) 9-8 -ANSWERS-Ohms law chart
, Ohms law applies to -ANSWERS-DC circuits
Power radiated = -ANSWERS-Heat (BTU)
Utility company power (units) -ANSWERS-KWh (kilowatt hours)
1 kW = (W) -ANSWERS-1000 W
Calculation for power bill -ANSWERS-$99
1 Watt = (BTU/hr) -ANSWERS-3.412 (2W = 6.824)
12,000 BTU needs (# tons of ac) -ANSWERS-1 ton ac
Unit of mechanical power -ANSWERS-HP (horsepower)
AWG electrical (accepted) -ANSWERS-Worldwide
AWG smaller numbers -ANSWERS-Larger wires
AWG range -ANSWERS-36 gauge - 4/0
RECENT EXAM 2026|2027 ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+ |
Grounding/bonding disturbances can result in -ANSWERS-death or
injury
Ground SBB to nearest (& 2 locations) -ANSWERS-AC panel (ER/TR)
2 grounding methods for TR -ANSWERS-AC panel / structural steel
Ground every ________ floor pedestal -ANSWERS-Fourth
2 bonding connection types -ANSWERS-Exothermic & compression
Grounding/bonding (standard) -ANSWERS-607-B
PBB (size & room located) -ANSWERS-4"W x 0.25" thick / EF
TBC (acronym) -ANSWERS-Telecom Bonding Conductor
Bonding conductor (size/max length) -ANSWERS-#6AWG / 100 ft max
,SBB (acronym) -ANSWERS-Secondary Bonding Busbar
SBB (size) -ANSWERS-2"Wx0.25" thick
PBB reference -ANSWERS-AC electrical panel board
PBB TBC max length -ANSWERS-30ft
Bonding connections coated with -ANSWERS-anti-corrosion gel
Cone of protection APEX (def) -ANSWERS-Object typically struck by
lightning
Surveillance camera termination (type) -ANSWERS-RJ45
Exothermic weld (locations) -ANSWERS-PBB & structural steel both
allowed. PBB more common.
TBB (acronym) -ANSWERS-Telecom bonding backbone
TBB (disadvantage) -ANSWERS-Costly (home run to PBB)
,Ground conductor impedance b/t 2 points (measurement) -ANSWERS-
0.1 ohms
Bonding connector (2 types) -ANSWERS-Exothermic, compression
Ground strikes (dist) -ANSWERS-6-20 ft
(Photo) two story -ANSWERS-Zone of protection (2 stories)
(Photo) one story -ANSWERS-Cone of protection (1 story)
ITS designer uses (decision making) -ANSWERS-Good
judgement/experience
How to label 5' conduit -ANSWERS-2x, each side, permanent
Ohms law = -ANSWERS-V=IR; (I=V/R, R=V/I)
I, V, R (def & measured in) -ANSWERS-Current (amps), voltage (volts),
resistance (ohms)
(Photo) 9-8 -ANSWERS-Ohms law chart
, Ohms law applies to -ANSWERS-DC circuits
Power radiated = -ANSWERS-Heat (BTU)
Utility company power (units) -ANSWERS-KWh (kilowatt hours)
1 kW = (W) -ANSWERS-1000 W
Calculation for power bill -ANSWERS-$99
1 Watt = (BTU/hr) -ANSWERS-3.412 (2W = 6.824)
12,000 BTU needs (# tons of ac) -ANSWERS-1 ton ac
Unit of mechanical power -ANSWERS-HP (horsepower)
AWG electrical (accepted) -ANSWERS-Worldwide
AWG smaller numbers -ANSWERS-Larger wires
AWG range -ANSWERS-36 gauge - 4/0
