Cooper Bussmann CT02MAN manual See Page 29 for Temperature Rise Test illustration

TABLE I

TEMPERATURE RISE TESTS, CABLE TRAY CONNECTORS,

CLASS II ALUMINUM LADDER CABLE TRAY

Test						Connector Data
Current	Test	I2T		C1			C2			C3
Amps	Time
And	Cycles	mult.	Type	No. &	Temp.	Type	No. &	Temp.	Type	No. &	Temp.
Fuse		by	Of	Type	Rise	Of	Type	Rise	Of	Type	Rise
Size*		106	Connector	Bolts	°C	Connector	Bolts	°C	Connector	Bolts	°C
7,900			Adj. Vert.			3/0 CU	AL-CU		Rigid
1,200A	66	69	1 Bolt**	4	6	Bond	Lugs	18	Clean	2	8
Fuse				Steel						Steel
7,900			Rigid			3/0 CU	AL-CU		Rigid
1,200A	82	85	Corroded	4	10	Bond	Lugs	22	Clean	2	9
Fuse				Steel						Steel
12,000	120	288	Rigid	2	50	3/0 CU	AL-CU	104	Rigid	2	32
			Corroded	Nylon		Bond	Lugs		Clean	Steel
12,000	124	297	Rigid	4	40	Rigid	4	46	Rigid	4	21
			Corroded	Steel		Corroded	Lugs		Clean	Steel
34,600	14	280	Rigid	2	34	3/0 CU	AL-CU	75	Rigid	2	29
			Corroded	Nylon		Bond	Lugs		Clean	Steel
34,400	14	276	Rigid	4	28	Rigid	4	35	Rigid	4	20
			Corroded	Nylon		Corroded	Steel		Clean	Steel

TABLE II

TEMPERATURE RISE TESTS, CABLE TRAY CONNECTORS,

CLASS II STEEL LADDER CABLE TRAY

Test						Connector Data
Current	Test	I2T		C1			C2			C3
Amps	Time
And	Cycles	mult.	Type	No. &	Temp.	Type	No. &	Temp.	Type	No. &	Temp.
Fuse		by	Of	Type	Rise	Of	Type	Rise	Of	Type	Rise
Size*		106	Connector	Bolts	°C	Connector	Bolts	°C	Connector	Bolts	°C
1,980	52	3.4	Adj. Vert.	4	2	No. 6 CU	AL-CU	10	Rigid	2	3
200A, FU			1 Bolt**			Bond	Lugs
1,970	394	25.5	Adj. Vert.	4	9	No. 6 CU	AL-CU	***	Rigid	2	15
400A, FU			1 Bolt**			Bond	Lugs
1,960	8100	51.8	Adj. Vert.	4	18	Rigid	4	23	Rigid	2	32
400A, FU			1 Bolt**
12,000	120	288	Adj. Vert.	4	94	Adj. Vert.	4	89	Rigid	4	81
			2 Bolts**			2 Bolts**
12,000	123	295	Rigid	4	70	Rigid	4	87	Rigid	4	85
34,000	13	250	Rigid	4	71	Rigid	4	57	Rigid	4	69

*Test current was interrupted in a predetermined time when a fuse was not used.

**1 or 2 Bolts - Number of bolts installed on the adjustable vertical connector hinge.

***The No. 6 bonding jumper melted and opened the circuit when protected by 400A fuse.

	(See Page 29 - Figure 1 for Temperature Rise Test illustration)
	Appendix Sheet 1
Cable Tray Manual	Cooper B-Line, Inc

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