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Short demo (part of Minor Works Certificate)
Minor Electrical Installation Works Certificate
(Demo)
*System Earthing Arrangement:==>>
*Choose the system below:
TN-C-S
TN-C
TN-S
TT
*230V circuit type:==>>
*Choose the circuit type below:
Final up to 32A- 0.4 sec. disc. time
Distribution- 5 sec. disc. time
*BS-EN for disconnection time=0.4 sec: ==>>
Select Fuse/MCB/RCBO...
Fuse (gG, gM) BS 88-2 system E or G for 0.4 sec.
Fuse to BS 88-3 system C for 0.4 sec.
Fuse to BS 1362 for 0.4 sec.
Fuse to BS 3036 for 0.4 sec.
Mcb 60898 Type B for 0.4 sec.
Mcb 60898 Type C for 0.4 sec.
Mcb 60898 Type D for 0.4 sec.
RCBO 61009-1 Type B for 0.4 sec.
RCBO 61009-1 Type C for 0.4 sec.
RCBO 61009-1 Type D for 0.4 sec.
*BS-EN for disconnection time=5 sec: ==>>
Select Fuse/MCB/RCBO...
Fuse (gG, gM) BS 88-2 system E or G for 5 sec.
Fuse (gG, gM) BS 88-3 system C for 5 sec.
Fuse BS 1362 for 5 sec.
Fuse BS 3036 for 5 sec.
Mcb 60898 Type B or C or D for 5 sec.
RCBO 61009-1 Type B or C or D for 5 sec.
*BSEN of overcurrent protective device: ==>>
Select RCD/FUSE/MCB
(Preferably) RCD to BS-EN 61008-1 or 61009-1 for 230V a.c.
Overcurrent protective device (fuse or mcb) for 230V a.c.
*Rated residual operating current(mA): ==>>
Choose residual operating current(mA)
30
100
300
500
*Rating of overcurrent protective device=>A:
Click the box to check Max Zs.
PLEASE, CHECK MAXIMUM Zs allowed!..
*Protective device for the modified circuit-(TN system)==> Rating:
Please, choose from the option below(0.4sec.)
Please, choose from the option below(5sec.)
*Protective conductor continuity (ONE OR TWO):
*R1 + R2:
Ω
*R2:
Ω
*Is circuit you worked on, Radial/Ring Main? ==>>
*Radial
*Ring Main
*Continuity of ring final circuit conductors:
*Phase to phase:
Ω
*Neutral-Neutral:
Ω
*Cpc to Cpc:
Ω
