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Dorman Smith Loadbank 250 
Incomer Metering harnesses  

Installation instructions 

 

REV  2 

No: SN98465C 

Sheet 2 of 3 

Incoming Meter Harness: LBWI 

Fig 1: 

·

 

Fit incomer interconnections, 
ensuring CT’s are mounted 
correctly. 

·

 

Fit LBWI ‘tap off harness

’ 

to 

busbar interconnections / neu-
tral bar

 

·

 

Route cables to cableway

 

·

 

Mount fuse holders to DIN rail. 

Fig 2: 

·

 

Fit earth harness to CT’s

 

·

 

Earth to CT’s to panelboard.

 

Fig 3: 

·

 

Fit LBWI ‘CT harness, (white 
numbered cables) to CT’s.

 

·

 

Route cables to cableway

 

P1 markings on CTs 

must

 

face source of supply  

CT earth connector 

Earth to Panelboard 

Fig 5: 

·

 

Secure DIN rail supplied with 
cableway hinged meter door kit 
to cableway. 

·

 

Earth hinged door to cableway. 

·

 

Mount ‘tap off harness’ fuse 
holders on DIN rail.

 

·

 

Connect ‘meter supply harness 
to the fuse holder.

 

Earth lead to hinged door 

Earth lead to cableway 

Fig 4: 

·

 

Fit all shrouds

 

Meter supply harness 

CT harness 

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