9-foot ac power cable assembly - Allicdata Electronics

Related Categories

1 2 3 4 5 >

Allicdata Part#	Mft.Part#	Company	Spec.	QTY.	Pricing(USD)
73087-9-4-ND	73087-9-4	Pomona Electronics	View more Series: 73087 Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed 2nd Connector: Banana Plug, Single, Sheathed, Banana Socket (Jack), Single Cable Length: 9.0" (228.60mm) Type: Patch Cord Contents: 2 Leads, Yellow Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 1000VAC (1kV) Ratings: CAT I 1000V Current Rating: 10A	1000 Order	1+: $14.4837
CT2521-150-9-ND	CT2521-150-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed 2nd Connector: Banana Plug, Single, Stackable, Sheathed Cable Length: 59.1" (1500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V, 1000V Ratings: CAT III 1000V, CAT IV 600V Current Rating: 12A	1000 Order	10+: $7.1505
CT2075-50-9-ND	CT2075-50-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single 2nd Connector: Banana Socket (Jack), Single, Sheathed Cable Length: 19.7" (500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $4.1265
EMHB-48-9-ND	EMHB-48-9	Pomona Electronics	View more Series: HB Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable 2nd Connector: Banana Plug, Single, Stackable Cable Length: 48.0" (1219.20mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 5000VDC (5kV) Current Rating: 15A	1000 Order	24+: $9.4437
BKCT2062-200-9- ND	CT2062-200-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single 2nd Connector: Banana Plug, Single Cable Length: 78.7" (2000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $6.0795
EM2948-36-9#-ND	EM2948-36-9#	Pomona Electronics	View more Series: 2948 Part Status: Active Stacking Method: Multi-Stacking, Front and Vertical (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable 2nd Connector: Banana Plug, Single, Stackable Cable Length: 36.0" (914.40mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 5000VDC (5kV) Current Rating: 15A	1000 Order	24+: $6.9237
CT2996-50-9-ND	CT2996-50-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Socket (Jack), Single, Sheathed 2nd Connector: Banana Socket (Jack), Single, Sheathed Cable Length: 19.7" (500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 1000V (1kV) Ratings: CAT III 1000V Current Rating: 12A	1000 Order	10+: $4.8825
CT3637-150-9-ND	CT3637-150-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Sheathed - Retractable Cable Length: 59.1" (1500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	1000 Order	10+: $10.269
CT2147-200-9-ND	CT2147-200-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Stackable, Sheathed - Retractable Cable Length: 78.7" (2000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	1000 Order	10+: $7.182
CT2190-150-9-ND	CT2190-150-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed, Right Angle 2nd Connector: Banana Plug, Single, Sheathed, Right Angle Cable Length: 59.1" (1500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V, 1000V Ratings: CAT III 1000V, CAT IV 600V Current Rating: 12A	1000 Order	10+: $6.7725
BKCT2131-100-9- ND	CT2131-100-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable 2nd Connector: Banana Plug, Single, Stackable Cable Length: 39.4" (1000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $4.725
CT2176-100-9-ND	CT2176-100-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed 2nd Connector: Banana Plug, Single, Sheathed, Right Angle Cable Length: 39.4" (1000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V, 1000V Ratings: CAT III 1000V, CAT IV 600V Current Rating: 12A	1000 Order	10+: $5.8275
CT2147-150-9-ND	CT2147-150-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Stackable, Sheathed - Retractable Cable Length: 59.1" (1500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	1000 Order	10+: $6.7095
BKCT2060-150-9- ND	CT2060-150-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single 2nd Connector: Banana Plug, Single Cable Length: 59.1" (1500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $3.8745
CT2190-50-9-ND	CT2190-50-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed, Right Angle 2nd Connector: Banana Plug, Single, Sheathed, Right Angle Cable Length: 19.7" (500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V, 1000V Ratings: CAT III 1000V, CAT IV 600V Current Rating: 12A	1000 Order	10+: $4.977
BKCT2060-25-9-N D	CT2060-25-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single 2nd Connector: Banana Plug, Single Cable Length: 9.8" (250.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $2.709
CT2162-25-9-ND	CT2162-25-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed 2nd Connector: Banana Plug, Single, Sheathed Cable Length: 9.8" (250.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 1000V (1kV) Ratings: CAT IV 1000V Current Rating: 12A	1000 Order	10+: $4.41
CT2060-10-9-ND	CT2060-10-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single 2nd Connector: Banana Plug, Single Cable Length: 4.0" (101.60mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $2.583
CT3753-150-9-ND	CT3753-150-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed 2nd Connector: Banana Plug, Single, Sheathed, Right Angle Cable Length: 59.1" (1500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 1000V (1kV) Ratings: CAT III 1000V Current Rating: 10A	1000 Order	10+: $5.6385
CT3637-200-9-ND	CT3637-200-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Sheathed - Retractable Cable Length: 78.7" (2000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	1000 Order	10+: $11.1825
CT2147-25-9-ND	CT2147-25-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Stackable, Sheathed - Retractable Cable Length: 9.8" (250.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	1000 Order	10+: $5.544
CT2151-50-9-ND	CT2151-50-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Stackable, Sheathed - Retractable Cable Length: 19.7" (500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 13 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 36A	1000 Order	1+: $7.0875
CT2521-200-9-ND	CT2521-200-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed 2nd Connector: Banana Plug, Single, Stackable, Sheathed Cable Length: 78.7" (2000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V, 1000V Ratings: CAT III 1000V, CAT IV 600V Current Rating: 12A	1000 Order	10+: $8.0325
BKCT2148-50-9-N D	CT2148-50-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Stackable, Sheathed - Retractable Cable Length: 19.7" (500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	50 Order	1+: $6.2055
CT3187-10-9-ND	CT3187-10-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Grabber, Hook 1st Connector: Banana Socket (Jack), Single, Sheathed 2nd Connector: Mini Hook Cable Length: 4.0" (101.60mm) Type: Patch Cord Contents: 1 Lead, Gray, White Clip and Plug Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 21 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 6A	1000 Order	10+: $4.599
BKCT2131-10-9-N D	CT2131-10-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable 2nd Connector: Banana Plug, Single, Stackable Cable Length: 4.0" (101.60mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $3.087
CT2176-150-9-ND	CT2176-150-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed 2nd Connector: Banana Plug, Single, Sheathed, Right Angle Cable Length: 59.1" (1500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V, 1000V Ratings: CAT III 1000V, CAT IV 600V Current Rating: 12A	1000 Order	10+: $6.7095
CT3637-50-9-ND	CT3637-50-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Sheathed - Retractable Cable Length: 19.7" (500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	1000 Order	10+: $8.4735
CT2151-25-9-ND	CT2151-25-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Stackable, Sheathed - Retractable Cable Length: 9.8" (250.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 13 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 36A	1000 Order	1+: $6.2055
BKCT2062-150-9- ND	CT2062-150-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single 2nd Connector: Banana Plug, Single Cable Length: 59.1" (1500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $5.166
BKCT2060-100-9- ND	CT2060-100-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single 2nd Connector: Banana Plug, Single Cable Length: 39.4" (1000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $3.402
CT2147-10-9-ND	CT2147-10-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Stackable, Sheathed - Retractable Cable Length: 4.0" (101.60mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Poly-Vinyl Chloride (PVC) Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	1000 Order	10+: $5.418
CT2190-200-9-ND	CT2190-200-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed, Right Angle 2nd Connector: Banana Plug, Single, Sheathed, Right Angle Cable Length: 78.7" (2000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V, 1000V Ratings: CAT III 1000V, CAT IV 600V Current Rating: 12A	1000 Order	10+: $7.6545
CT2887-10-9-ND	CT2887-10-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Socket 1st Connector: Banana Socket (Jack), Single, Sheathed 2nd Connector: Socket, Round, 0.030" (0.76mm) Cable Length: 4.0" (101.60mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 24 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 2A	1000 Order	10+: $3.4965
BKCT2131-200-9- ND	CT2131-200-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable 2nd Connector: Banana Plug, Single, Stackable Cable Length: 78.7" (2000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $6.5205
CT3637-10-9-ND	CT3637-10-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Sheathed - Retractable Cable Length: 4.0" (101.60mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 12A	1000 Order	10+: $7.7805
BKCT2131-50-9-N D	CT2131-50-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable 2nd Connector: Banana Plug, Single, Stackable Cable Length: 19.7" (500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 33VAC, 70VDC Current Rating: 12A	1000 Order	10+: $3.8115
CT2996-200-9-ND	CT2996-200-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Socket (Jack), Single, Sheathed 2nd Connector: Banana Socket (Jack), Single, Sheathed Cable Length: 78.7" (2000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 1000V (1kV) Ratings: CAT III 1000V Current Rating: 12A	1000 Order	10+: $7.56
CT2151-200-9-ND	CT2151-200-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Front Stacking (Both Connectors) Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Stackable, Sheathed - Retractable 2nd Connector: Banana Plug, Single, Stackable, Sheathed - Retractable Cable Length: 78.7" (2000.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 13 AWG Voltage - Rated: 600V Ratings: CAT II 600V Current Rating: 36A	1000 Order	1+: $12.3795
CT2176-50-9-ND	CT2176-50-9	Cal Test Electronics	View more Series: Cal Test Part Status: Active Stacking Method: Non Stackable Configuration: Banana to Banana 1st Connector: Banana Plug, Single, Sheathed 2nd Connector: Banana Plug, Single, Sheathed, Right Angle Cable Length: 19.7" (500.00mm) Type: Patch Cord Contents: 1 Lead, White Material - Insulation: Silicone Wire Gauge: 18 AWG Voltage - Rated: 600V, 1000V Ratings: CAT III 1000V, CAT IV 600V Current Rating: 12A	1000 Order	10+: $4.914

1 2 3 4 5 >

Hot Searches: 9-foot ac power cable assembly ac input cable assembly cable assembly power electrical power cable assembly power controller cable assembly power button cable assembly power sliding door cable assembly power stack 550 cable assembly 9ft dc power cable assembly hp power switch cable assembly 2.5 mm power cable assembly cable assembly elecraft w2/p3 power cable assembly ac adapter cable cable assembly manufacturing cable assembly manufacturer spiral cable assembly ribbon cable assembly fiber optic cable assembly sma cable assembly

Search Result:9-foot ac power cable assembly

Related Categories