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Panelboards

NQ & NF, Terminal Data

Class 1640, 1670, / Refer to Catalog 1670CT9601, 1640CT0701

 

Table 9.164:

NQ Standard Aluminum Mechanical Lugs—Main Lugs

Panel Type	Ampere Rating	Lug Wire Rangea
NQ	100	one #6-2/0 Al/Cu
	225	one #6-350 kcmil Al/Cu
	400	one 1/0-750 kcmil or two 1/0-350 kcmil Al/Cu
	600	two 1/0-750 kcmil Al/Cu

 

 

Table 9.165:

NQ Standard Aluminum Mechanical Lugs—Main Circuit Breaker

Panel Type	Ampere Rating	Circuit Breaker Type	Lug Wire Rangea
NQ	100	QOB	one #4–#2/0 Al/Cu
	100	FI	one #14–#1/0 Al/Cu
	150	HD, HG, HJ, HL	one #14–#3/0 Al/Cu
	225	QB, QD, QG, QJ	one #14-1/0 Cu or #8-1/0 Al
	250	JD, JG, JJ, JL	one #3/0–350 kcmil Al/Cua
	250	KI	one #1/0–350 kcmil Al/Cu
	400	LA, LH	one #1–600 kcmil Al/Cu or two #1–250 kcmil Al/Cu
	600	LC	two #4/0-500 kcmil Al/Cu

 

 

Table 9.166:

NF Standard Mechanical Lugs—Main Lugs

Panel Type	Ampere Rating	Lug Wire Rangea
NF	125	one #6–350 kcmil Al/Cu
	250	one #6–350 kcmil Al/Cu
	400	one #1/0–750 kcmil or two #1/0–350 kcmil Al/Cu
	600	two #1/0–750 kcmil Al/Cu
	800	three #4/0–500 kcmil Al/Cu

 

 

Table 9.167:

NF Standard Mechanical Lugs—Main Circuit Breaker

Panel Type	Ampere Rating	Circuit Breaker Type	Lug Wire Rangea
NF	125	ED, EG, EJ	one #14–#2/0 Al/Cu
	100	FI	one #14–#1/0 Cu or one #12–#1/0 Al
	150	HD, HG, HJ, HL	one #14–#3/0 Al/Cu
	250	JD, JG, JJ, JL	one #3/0–350 kcmil Al/Cua
	250	KI	one #1/0–350 kcmil Al/Cu
	400	LA, LH	one #1–600 kcmil or two #1–250 kcmil Al/Cu
	600	LC, LI, LE, LX, LXI	two #4/0–500 kcmil Al/Cu

a	The lug range shown is for the highest amperage of the circuit breaker frame shown in the table.